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Plsss help, I've been stuck on this problem for a while

find the measure of each marked angle​

Plsss help, I've been stuck on this problem for a while find the measure of each marked-example-1
User Dzumret
by
4.0k points

1 Answer

5 votes

Answer:

x = 8, so the angles measure 60 degrees.

Explanation:

Alternate exterior angles are congruent, so we have:


10x - 20 = 7x + 4


3x = 24


x = 8


10(8) - 20 = 80 - 20 = 60


7(8) + 4 = 56 + 4 = 60

User Simon Sheehan
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4.3k points