Question

In the diagram below , if m 66
68
72
78

Answer 1

∠ QST = 68°

Explanation:

∠ QST + ∠ RSQ = ∠ RST , that is

∠ QST + 64° = 132° ( subtract 64° from both sides )

∠ QST = 68°

Answer 2

132-64= 68
Answer is 68