Question

What is the measure of the missing angle?



A.
50°

B.
20°

C.
40°

D.
60°

Answer 1

Where is the figure?

Answer 2

http://static.k12.com/calms_media/media/1299000_1299500/1299439/1/35c36e60a7d5b8b0936f1c339ee0461e083efa8d/140995.jpg

Answer 3

yeah

Answer 4

there

Answer 5

do you know triangle sum theorem?

Answer 6

a+b+c=180
70+70+c=180

Answer 7

c=180-70-70=????????/

Answer 8

you need to know that all the sides of a triangle add up to 180 degrees, as @AlexandervonHumboldt2 said, this is the triangle sum theorem. SO you need to add 70+70 and then subtract that sum by 180.