The side lengths of a 30-60-90 triangle are in the ratio 1 : 3:2. What is
sin 30°?

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.

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?

Determine the equivalent system for the given system of equations: 5x − 3y = 6 x + y = 2