Question

Please Help! Find the value of c.
A. 26
B. 104
C. 52
D. 93.5

Answer 1

D. 93.5°

Explanation:

The measure of c is half the sum of the arcs subtended by the chords that create angle c. Those arcs are 83° (on the right) and 2×52° = 104° (on the left). The average of these two arcs is ...

c = (83° +104°)/2 = 93.5° . . . . . matches choice D