Question

What is the measure of

Answer 1

∠ RST = 72°

Explanation:

∠ RST and 4x - 24 are alternate exterior angles and congruent, thus

4x - 24 = 3x ( subtract 3x from both sides )

x - 24 = 0 ( add 24 to both sides )

x = 24

Thus

∠ RST = 3x = 3 × 24 = 72°