A plane intersects a sphere that has a radius of 13cm. The distance from the center of the sphere to the closest point on the plane is 5 cm. What is the radius of the circle that is the intersection of the sphere and the plane?

Question

amistre64 · Answer

id assume its 12

amistre64 · Answer

you have a right triangle formed by 5 from center and a radius measure of 13; the "radius" of the circle formed by this cut is then:

5^2 + r^2 = 13^2

anonymous · Answer

Thankyou.

amistre64 · Answer

yep; hopefully this picture makes it clearer