Everyday Math

Length and Area

Geometry Shortcuts


True or false?

A circle can be inscribed in a kite.

What is the value of yy in the diagram shown? (HINT: Think ratios)

Given the two circles with center P and the equilateral triangle shown, if the value of x,x, the radius of the larger circle, is 8, what is the value of y,y, the radius of the smaller circle?

In the triangle shown, the three line segments meet at the centroid of the triangle. How many times greater is the product abcabc than the product xyz?xyz? (HINT: The centroid of a triangle trisects each line segment)

Given that AB is the diameter of the circle shown with center at O,O, what is the approximate value of AC?


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