Question

Points G and H lie on circle F as shown below. If the measure of

FGH is 40°, then what is the measure of central angle
ZGFH ?
Н
F.
60°
G. 80°
H. 100°
J. 120°
404
K. Cannot be determined from the
information given
G
search entries or author
Unread

Answer 1

9514 1404 393

Answer:

H. 100°

Explanation:

ΔFGH is isosceles with base angles both equal to 40°. Then the angle at F, the central angle GFH, is ...

180° -2(40°) = 100° . . . . measure of ∠GFH