Question

The measure of an angle is 51°.

What is the measure of its supplement?

A.
39°

B.
49°

C.
129°

D.
139°

Answer 1

@sleepyhead314 I don't understand this :/

Answer 2

math is fun http://www.mathsisfun.com/geometry/supplementary-angles.html

Answer 3

So i have to add 50 with the answers and try to get 180?

Answer 4

so it would be (angle) + 50 = 180
yes :)

Answer 5

:o oh okay thanx

Answer 6

Then the answer is C

Answer 7

correct!

Answer 8

\[:)\]

Answer 9

We were saying 50 meant to say 51 lol