Question

Given Triangle DEF, and angle bisector EG, if the measure of angle DEG is 15 degrees, what is the measure of angle DEF?
Select one:
a. 15
b. 30
c. 45
d. 60

Answer 1

@aum : can you help me please?

Answer 2

is it B?

Answer 3

EG is an angle bisector. So angles marked 1 are equal and each is 15 degrees.
So DEG = <1 + <1 = 15 + 15 = 30 degrees.