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Need help plzzz???!?????!

Need help plzzz???!?????!-example-1
User Anvk
by
8.4k points

1 Answer

2 votes

Answer:

137

Explanation:

First start with what you know. The measure of the interior angles of a triangle total to
180^(o) so 51 + 2x + x = 180, then 51 + 3x = 180, 3x = 129, so

x = 43, the exterior angle is on a straight line with x so

x + exterior angle = 180 [since they are supplementary], since x = 43 then

43 + e = 180, so e has to be 137

User Tasfia
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