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10 articles trouvés pour ce sujet.
Can you construct a regular 21-gon? 2016-03-08
Peter pose la question :
hi, i know that if i use a compass to draw a circle, i can use the same setting to mark 6 intervals along the circle circumference, how would i go about marking out 21 equally spaced points around the circumference?

if there an online calculator i can us, or some other interesting trick?



Robert Dawson lui répond.
A boy walks 3km due east and 4km due north 2013-02-01
Kayode pose la question :
Question from Kayode

A boy walks 3km due east and 4km due north. Find the bearing of the final point and the distance of the final position from the starting point.

Harley Weston lui répond.
Vivinne pose la question :
Three boys, Isaac, Alex and Ken are standing in different parts of a football field.Isaac is standing 100m North of Alex. Ken is 120m East of Alex. Find the compass bearing of Ken from Isaac.
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.
Constructing figures 2005-09-20
Kim pose la question :
I would like to know how to draw different shapes:
Regular Octagon with sides of length, 1 unit
Equilateral Triangles, with sides of length 1 unit
Regular Hexagons, with sides of length 1 unit
Isoseles Triangles, with hypotenuse of length 1 unit

Penny Nom lui répond.
A ruler and compass construction 2003-06-29
Mandy pose la question :
I have been searching for instructions on how to do this using a compass. Can you please send instructions step by step on how to bisect a segment into any given number of segments. (example, a way that it will work for bisecting segment into 3, 4, or even 5 congruent parts)
Penny Nom lui répond.
Construct a pentagon 2002-12-12
Mary pose la question :
We were wondering what the instructions/formula, step-by-step, is to make a pentagon.
Chris Fisher and Penny Nom lui répond.
Compass points 2002-11-05
Mhairi pose la question :
I was asked this in maths but I am not sure if it is geography. Name all the compass points? We have been given 8 but he told us there is more and we have to name them.
Chris Fisher lui répond.
Constructing the square root of 3 2002-06-07
Allan pose la question :
I am a Math 7/8 teacher. I was wondering how you would show a student how to find the exact location of the square root of three on the number line using just a compass and a straight edge.
Penny Nom lui répond.
Vector Problem 2000-11-27
Ben pose la question :
An aircraft can fly 260km/h in still air and the wind is blowing at 70km/h towards the West. In what direction should the aircraft head so that its actual velocity is on a bearing of 030 degrees?
Harley Weston lui répond.



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