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25 articles trouvés pour ce sujet.

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	La longueur des segments formant un triangle		1999-10-05
		Michel Provencher pose la question : Connaissant la longueur des segments formant un triangle,comment détermine-t-on chacun de ses angles si: il S'agit d'un triangle rectangle Sachant que la somme des angles d'un triangle est de 180 degrés et sachant par conséquant qu'un des angle est de 90 degrés (triangle rectangle) il reste donc, 90 degrés à partager entre les 2 angles restant. Si les 2 segments formant l'angle droit sont de même longueur on obtient un angle de 45 degrés pour les angles restant soit 1/2 angle droit ce qui ne me pose évidement aucun problème. Quel relation, S'il y en a une, y a t-il entre la longueur de ces 2 segments et les angles restants. il S'agit d'un triangle quelconque Claude Tardif lui répond.
	(3d) Whether line segment intersects triangle		2019-04-13
		rj pose la question : Well hello, Lets say I have a triangle, Not any ordinary triangle, but a triangle that is represented in 3 dimensions. I also have a line segment. Lets say that this triangle has points A(0,0,0), B(1,0,0), C(0,1,1) And the line segment has points D(0,1/2,0), E(1,1/2,1) In what way can I find if the line segment and triangle intersect? Their intersection point? I don't prefer matrices, because they don't make any sense, but ... if that's the only way to solve this, then do what's necessary. Thank you in advance. Penny Nom lui répond.
	The volume of a slab		2017-01-21
		Russell pose la question : Working with a segment of a circle. The O.D. is 3.440" the length of the chord is 3.130 I need information on the volume of the largest area. I would like to know (in thousands of an inch) how tall would the largest area need to be to equal .1143 cubic inches If you need more info I can send it Thanks in advance p lui répond.
	A line segment of length root 5		2014-12-15
		angela pose la question : On the dot grid below, draw and label a line segment with length square root 5 the dot grid is 8 by 10 Penny Nom lui répond.
	Forming a triangle from 3 line segments		2012-03-15
		rustom pose la question : A point X is selected at random from a line segment AB with midpoint 0. Find the probability that the line segments AX, XB, and A0 can form a triangle. Penny Nom lui répond.
	Two line segments in the plane		2011-08-15
		Tim pose la question : For this problem I actually have tried to visualise the image in my head many times. This question makes my head spin. Four points lie in a plane. They are partitioned into two pairs so that the sum of the lengths of the segments joining the points of each pair has the minimal possible value. Prove that these segments have no common points. Chris Fisher lui répond.
	Line segments		2011-01-04
		Izsak pose la question : What is the formula to find the number of segments that can be named by a given number of points on a line? Penny Nom lui répond.
	Can a line segment curve over two planes?		2010-02-14
		Graham pose la question : I am working on a math fair project. Can a line segment curve over two planes? Such as, if I had a three dimensional L bracket and I drew a line segment on it with a marker starting on the bottom of the L and had it curve around the corner and up the top, would it still be considered one line segment? Or is that two line segments? Is there a rule that a line segment can only occupy one plane? Thank you. Graham Chris Fisher lui répond.
	Segments of a ring gasket		2009-09-20
		Robert pose la question : I am in the process of making an Excel spreadsheet in which our sales team just needs to enter the outside diameter, inside diameter, and number of segments to price ring gaskets that are too big to fit on a sheet of material and need to be cut into segments. With your help I was able to create a spread sheet that can calculate the Chord lengths, and Segment height on a single gasket segment. I am now stuck trying to come up with a formula to figure out the height of the second segment when it is stacked on the first segment, then use it to add more depending on the quantity of segments needed. I have an illustration below showing 2 segments (of a gasket that was segmented into 4 pieces) stacked together. I need to find a formula to get the dimension from "A" to "B". Harley Weston lui répond.
	A plane cuts a line segment		2009-03-17
		Manis pose la question : Find the ratio in which the line joining (2,4,16) and (3,5,-4) is divided by the plane 2x-3y+z+6=0. Robert Dawson lui répond.
	Congruent line segments		2009-02-05
		casie pose la question : marica drew one-line segment on a graph with endpoint of (0,9) and (0,4). she drew another line segment with endpoints (1,1) and (6,1). are the line segment congruent?explain Penny Nom lui répond.
	Segments of a sphere		2009-01-16
		Herman pose la question : How do I solve for a segment of a sphere so that the orange peel or pie shaped section is converted to a flat surface with dimensions. I form large diameter domes, elliptical and sphere heads on a press. I enter the diameter say 30 feet with two segments above and below the equator and the total number of segment around the circumference at say 18 so the widest part of the pie shaped section will fit my press. How do I take the upper or lower course above or below the equator and figure the height of the orange peel shape, the chord length at top and bottom, and solve for the right angle at 2 degree increments down the arc length of the pieces so I can layout the flat plates prior to pressing. Thanks for your help. Robert Dawson lui répond.
	The midpoint o a line segment		2008-11-15
		Jane pose la question : The vertices of a triangle are at (1,7), (6,-1) and (0,3). Find the coordinates of the midpoints of the sides. Penny Nom lui répond.
	The midpoints of the sides of a quadrilateral		2008-07-22
		JOEL pose la question : A QUADRILATERAL A,B,C,D HAS THE CO -ORDINATE [2,5],[8,7],[10,3]&[0,1] RESPECTIVLY [B,E,G,H] ARE THE MID POINTS OF THE SIDES AB,BC,CD&DA RESPECTIVLY FIND THE MID POINTS OF [FG]&[FH] Penny Nom lui répond.
	A reflected line segment		2008-07-14
		Peter pose la question : Segment AB has endpoints A(-1,2) and (3,1). Segment AB is reflected over the y-axis such that A becomes A' and B becomes B'. What is the positive difference between the lengths of segment AA' and segment BB'? Janice Cotcher lui répond.
	A large concrete shape		2008-01-16
		Keith pose la question : what is the cubic yards of an area that is not a perfect 1/4 circle? The dimensions are 100ft. x 60ft. x 125ft. curcumferal arch x 3ft. depth? Stephen La Rocque lui répond.
	Dividing a segment into 3 congruent parts		2007-10-30
		Carolyn pose la question : I am doing construction. I have a line segment drawn. I need to divide a segment into 3 congruent part. How do I do that? Penny Nom lui répond.
	Segments on a line		2007-09-10
		Cathy pose la question : This question was on my daughter's geometry assignment. Write a general rule of formula for finding the number of segments that can be named by a given number of points on a line. For example, 2 points on a line = 1 line segment; 3 points on a line = 3 segments; 5 points on a line = 10 segments. Penny Nom lui répond.
	Water tank volume		2007-05-29
		Cecelia pose la question : I HAVE A SEMI CIRCULAR TANK AGAINST A WALL MEASURING 6'10" ACROSS THE WIDEST PART AND 3' FROM THE WALL TO THE FRONT OF THE TANK. THE DEPTH IS 14". PLEASE HELP ME TO CALCULATE THE VOLUME OF WATER IN THE TANK. Stephen La Rocque lui répond.
	Line segments on dot paper		2007-01-21
		Khaori pose la question : The three line segments below are drawn on centimeter dot paper. a. Find the length of each segment to the nearest ten-thousandth of a centimeter. b. Could these line segments be arranged to form a triangle? If no, explain why or why not. If yes, answer this question: could they form a right triangle? Explain why or why not. Penny Nom lui répond.
	How many line segments are necessary?		2006-10-04
		Varun pose la question : If you place 35 points on a piece of paper so that no three are collinear, how many line segments are necessary to connect each point to all the others? Stephen La Rocque lui répond.
	The area of part of a circle		2006-05-29
		Larry pose la question : need to find area of a circle between a given line (cord) to the circumference of the circle (see attachment). I often review blue prints of homes and many times have to know the area the home. Stephen La Rocque and Penny Nom lui répond.
	A line segment connecting two vertices of a polygon		2005-02-02
		James pose la question : What is a line segment (not a side) connecting two vertices of a polygon called? Penny Nom lui répond.
	The radius of a circle		2004-08-24
		Peter pose la question : If you slice any circle with a line, and call the distance of the line between intersections the "y" length and the perpendicular length to the shorter side of the curve the "x" length, what is the resulting equation for the radius? Penny Nom lui répond.
	Partitioning of an arbitrary line segment		2001-02-08
		David pose la question : Did Euclid's Geometry include a construction for the regular partitioning of an arbitrary line segment? Chris Fisher lui répond.

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