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3 years ago

PLEASE HELP! Find the measure of the indicated angle.

Mathematics

1 answer:

Ivahew [28]3 years ago

8 0

Answer: $129^{\circ}$

Step-by-step explanation:

By the exterior angle theorem, $m\angle{QRX}=49^{\circ}+80^{\circ}=129^{\circ}$

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