Which equation describes a line perpendicular to line R that passes through the point (3,-6)

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

4+(2+x) can you me solve this problem

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse