26-02-2017
Mathematics

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

PLS SOLVE ASAP Solve for angle 1 class=

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26-02-2017

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

∠1 = 2x = 2×15° = 30°

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