The temperature at noon was 20°C. The temperature fell 2 degrees every hour until 3 a. m. the next day. What was the temperature at 11 p. m. that
evening?

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.