Question

What is the measure of ZX, in degrees

Answer 1

A

Explanation:

XY = XZ = 6

Thus the triangle is isosceles with base angles congruent, that is

∠Y = ∠Z = 70°

The sum of the 3 angles in the triangle = 180°, thus

∠X = 180° - (70 + 70)° = 180° - 140° = 40° → A