Question

What is the value of x?

102
39
78
51

Answer 1

Answer:

x = 51°

Step-by-step explanation:

Look at the picture.

We have 2α = 102°.

Therefore α = 102° : 2 = 51°

Answer 2

Answer:

D, 51

Step-by-step explanation:

The angle x's vertex is on the circle and the sides are chords of the circle and is one half the measure of the intercepted arc, so

x = 0.5 × 102° = 51° → D