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3 years ago

PLS SOLVE ASAP!!!! Solve for angle 1.

Mathematics

1 answer:

dangina [55]3 years ago

4 0

∠1 + ∠2 = 180°
⇒ 2x + 10x = 180°
⇒ 12x = 180°
⇒ x = 180°/12 = 15°

∠1 = 2x = 2×15° = 30°

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