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iren2701 [21]
3 years ago
13

I do t know how to do it

Mathematics
1 answer:
Luba_88 [7]3 years ago
7 0

We know: the sum of the angles measures in a triangle is 180°.

Therefore we have the equation:

64° + 75° + α = 180°

139° + α = 180°      <em> subtract 139° from both sides</em>

α = 41°

α and ∠2 are Supplementary Angles - they add up to 180°.

α + m∠2 = 180°

41° + m∠2 = 180°    <em>subtract 41° from both sides</em>

<h3>m∠2 = 139°</h3>

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2 years ago
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Answer:

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Step-by-step explanation:

Given equation is -14(3a+6)=12(6-4a)+12

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-14(3a+6)=12(6-4a)+12

Taking all terms to one side

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8 0
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