Hello, reiward!

Did you make a sketch?

A square is inscribed in a small circle of a sphere with radius 9 cm.

If the plane of the square is 6cm from the center of the sphere,

find the perimeter of the square.Code:* * * * | x * A o - - - + - - - o B * | * * 6| * * | * 9 * * o * * C * * * * * * * * * *

is the side of the square.

Pythagorus says: .

. . Then: .

The perimeter is: .