the radius of earth is about 6,371 km and the radius of the moon is about 1,737 km, what is the approximate difference between the circumference of earth and the circumference of the moon?

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.