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inscribed circle

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24 articles trouvés pour ce sujet.
 
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A circle inscribed in a triangle 2019-04-28
Daksh pose la question :
O is the centre of the inscribed circle in a 30°-60°-90° triangle ABC right angled at C. If the circle is tangent to AB at D then the angle COD is-
Penny Nom lui répond.
A circle inscribed in a regular polygon 2018-07-12
Naveen pose la question :
The radius of inscribed circle for n sided regular polygon of a side a is? Please with proof
Penny Nom lui répond.
Seven tangent circles 2018-04-23
Domenick pose la question :
How to calculate the circumscribed and inscribed circles formed by seven .019685 diameter circles arranged in a circle with all seven circles tangent to each other?
Penny Nom lui répond.
A circle inscribed in a quarter circle 2018-04-16
abhijeet pose la question :
ABC is a quarter circle and a smaller circle is inscribed in it. if AB = 1cm then find the radius of smaller circle
Penny Nom lui répond.
A circle inscribed in a 30-6-90 triangle 2017-04-07
Kameron pose la question :
i have been given a problem with a 30-60-90 triangle and a circle inscribed with a radius of 2 and was told to find the perimeter of the triangle
Penny Nom lui répond.
A circle inscribed in an isosceles triangle 2017-01-14
Sal pose la question :
There is a right isosceles triangle. Inscribed inside of it, is the largest possible circle. Ho do you find the value of the radius?

I want to find out a way of only using the rules/laws of geometry, or is that not possible.

Penny Nom lui répond.
A circle inscribed in an equilateral triangle 2016-11-27
jo pose la question :
what is the radius of the inscribed circle of an equilateral triangle with altitude 12 units?
Penny Nom lui répond.
A circle is inscribed in a hexagon 2015-12-28
Lalitesh pose la question :
A circle is inscribed in a regular hexagon ABCDEF
Prove that AB+CD+EF=BC+DE+FA

Penny Nom lui répond.
A circle inscribed in a square 2015-04-19
michael pose la question :
A circle is drawn in a square PQRS. If the total area of the shaded portion of the square is 42 cm square, calculate the radius of the circle
Penny Nom lui répond.
An irregular convex octagon 2014-11-13
james pose la question :
I have an irregular convex octagon, alternating between 4 large edges, say 'a' mm long and 4 small edges, say 'b' mm long, is there a formula available so that I can work out the minimum size sit a circle with a radius of 34.25mm inside it thank you
Chris Fisher lui répond.
A circle inscribed in a right triangle 2014-03-16
akshaya pose la question :
A circle with centre O and radius r is inscribed in a right angled triangle ABC. If AB=5 cm, BC=12 cm and < B=90*, then find the value of r.
Penny Nom lui répond.
A circle insubscribed in an isosceles trapezoid 2013-12-08
Bob pose la question :
A circle is insubscribed in an isosceles trapezoid, with parallel lengths of 8cm and 18cm. What is the lengths of sloping edges and why?
Robert Dawson lui répond.
A circle inscribed in a triangle 2011-05-07
Aishwarya pose la question :
The angles of a triangle are 50, 60, and 70 degrees, and a circle is touches the sides at A, B, C. Calculate the angles of the triangle ABC.
Penny Nom lui répond.
A circle is inscribed inside an isosceles trapezoid 2011-02-25
priyam pose la question :
a circle is inscribed inside an isosceles trapezoid (with parallel sides of length 18 cm and 32 cm) touching all its four sides. find the diameter of the circle. thanks for help!!
Penny Nom lui répond.
How many bricks I can place around a 26-inch circle? 2008-05-22
Jon pose la question :
I want to know how many bricks I can place around a 26-inch circle? There must be a formula other than trial and error. The length of the bricks is 6-inches. [How many 6-inch tangents can be in a 26-inch circle? Thank you very much. Jon
Harley Weston lui répond.
Finding the area of an isosceles triangle given one angle and the inradius 2008-01-24
Saurabh pose la question :
Given an isosceles Triangle, whose one angle is 120 and inradius is √3. So area of triangle is?
Stephen La Rocque lui répond.
A circle inscribed in a triangle 2007-12-06
Linnea pose la question :
I have a tringle with a circle inscribed in it. My teacher wants me to find the radius of the circle. This is what she gave me to work with. The triangle is ABC, AB = AC = 6, and BC = 4. She also told us to use A(squared) + B(squared) = C(squared). and that there are altitudes and and incenter. I have no idea how to do this.
Harley Weston lui répond.
Finding the radius of an inscribed circle 2007-07-05
Maria pose la question :
I need to find the radius of a circle which is inscribed inside an obtuse triangle ABC. I know all the angles and all the lengths of the triangle.
Stephen La Rocque and Chris Fisher lui répond.
Area of circles within a circle 2007-04-08
Avaline pose la question :
Imagine that there are four small circles inscribed in a bigger circle. The 4 small circles are shaded. What is the ratio of the area of the shaded region to the area of the unshaded region?
Stephen La Rocque lui répond.
Radius of a circle in a square 2007-04-05
Lori pose la question :
A circle is inscribed in a square. What is the radius of the circle? If there is a small rectangle with a 2 ft. top and a 1ft side at the left in the square touching the corner of the circle.
Stephen La Rocque and Penny Nom lui répond.
The area of regular pentagon inscribed in a circle 2006-10-12
Admire pose la question :
i need help on how to find area of regular pentagon inscribed in a circle of radius 8cm
Stephen La Rocque and Penny Nom lui répond.
A triangle in a circle of radius 6 2002-03-26
Marko pose la question :
In a circle of radius 6, a triangle PQR is drawn having QR = 8 and PQ = 10. Determine the length of PR
Chris Fisher lui répond.
The isosceles triangle of smallest area 2002-03-08
Lettie pose la question :
can you find the isosceles triangle of smallest area that circumscribes a circle of radius of one?
Walter Whiteley lui répond.
Two circles inscribed in a rectangle 2002-02-27
Amina pose la question :
Given a rectangle with dimensions L=6, H=5. Two circles are inscribed such that they touch each other(circles are adjacent to each other) and also their circumferences touch 2 sides of the rectangle. One of the circles has radius=4. Find the radius of the other circle.
Penny Nom lui répond.
 
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