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Georgia [21]
3 years ago
8

Find the measure of angle x in the figure belowA.35°B.47°C.51°D.62°

Mathematics
2 answers:
Nutka1998 [239]3 years ago
6 0
Because we know that 180° is a straight line we can subtract 57° and 61° from it to get 62°. After that we can add 62° and 67° to get 129°. Now all we have to do is subtract 129° from 180° to get 51°. So the measure of the angle of x is 51° which makes the answer D.
Dafna11 [192]3 years ago
5 0
First of all, we know that a line is 180°. This means if we add the angles of 61°, 57°, and angle y, we should get 180<span>°.

\sf 61\textdegree +57\textdegree+y=180\textdegree

Simplify:

\sf 118\textdegree +y=180\textdegree

Subtract 118° to both sides:

\sf y=62\textdegree

We also know that all three angles of a triangle add up to 180<span>°. So we have:

\sf 67\textdegree+62\textdegree +x=180\textdegree

Simplify:

\sf 129\textdegree +x=180\textdegree

Subtract 129° to both sides:

\sf x=\boxed{\sf 51\textdegree}
</span></span>
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