Determine the measures of the unknown (labeled) angles.

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asked Dec 2, 2018 47.6k views

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Sjw · Answer 1 · 2018-12-07T03:01:17+0000

Look at the lower smaller triangle: a=180-58-69=53
Look at the larger triangle: the two interior angle a and b add up to equal the exterior angle which is 93 degree, so a+b=93, b=93-a=93-53=40

Determine the measures of the unknown (labeled) angles.

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