Can anyone explain to me how to solve for this?

Question

asked May 25, 2021 174k views

1 Answer

Schanti Schul · Answer 1 · 2021-06-01T04:11:44+0000

Answer:

x = 11

Explanation:

The angle formed by two secants is half the difference of the intercepted arc angles.

m∠D = ½ (mBS − mCE)

60 = ½ (173 − (5x − 2))

120 = 173 − 5x + 2

5x = 55

x = 11