The circle center is inscribed in the equilateral triangle of side 63. What is the circumference of the circle?
In the following figure, find the perimeter of the square given that the length of the circle’s radius .
A regular pentagon is circumscribed around a circle of radius 2 cm. Find the length of one side of the pentagon. Give your answer correct to one decimal place.
Given that is an equilateral triangle whose sides touch circle and that the coordinates of point are , determine the equation of circle .
Which of the following diagrams shows a circumscribed polygon?
In a triangle , , , and . A circle with center is drawn so that is a radius and is bisected at . Find the length of the diameter.
Find the lengths of and .
In the figure, , , and . Find the perimeter and the area of .
Is the following statement true or false? In a circle, all of the inscribed angles which intercept the same arc are equal.
Find the perimeter of the .