3 years ago

Determine the measure of < 1 angle. 85 40 50 80

Mathematics

1 answer:

lisov135 [29]3 years ago

4 0

Answer:

80°

Step-by-step explanation:

Adjacent angles at the side of a trapezoid are supplementary.

∠1 + 50° + 50° = 180°

∠1 = 180° -100° = 80°

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