Question

Find the measure of angle CHF.
В
С
40°
H
100°
А
D
F
30°
60°
E
mZCHF = [? ]°
G

Answer 1

9514 1404 393

Answer:

  115°

Step-by-step explanation:

Angle CHF has a measure equal to the average of the arcs the chords intercept.

  angle CHF = (arc CDF +arc AB)/2 = (190° +40°)/2

  angle CHF = 115°