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Natasha2012 [34]
3 years ago
9

Given the following diagram, find the required measure.

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
3 0

Answer:

∠ 5 = 40°

Step-by-step explanation:

∠ 1 and ∠ 2 are adjacent angles and supplementary, thus

∠ 2 = 180° - ∠ 1 = 180° - 140° = 40°

∠ 5 and ∠ 2 are alternate angles and congruent , thus

∠ 5 = 40°

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