Question
Asked Jan 21, 2020
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In a  ∆ ABC, angle C = 3   

angleB = 2( angle A + angleB)

Find three angles

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Expert Answer

Step 1

Since ABC is a triangle.

Algebra homework question answer, step 1, image 1
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Step 2

Apply angle sum property.

Algebra homework question answer, step 2, image 1
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Step 3

Apply angle sum ...

Algebra homework question answer, step 3, image 1
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