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02-07-2020
Mathematics

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First identify the angle RELATIONSHIP, then find the measure of the angle indicated in bold.

First identify the angle RELATIONSHIP then find the measure of the angle indicated in bold class=

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02-07-2020

Answer:

Same-side interior angles

m∠ = 80°

Step-by-step explanation:

Step 1: Set up equation

x + 85 + x + 105 = 180

Step 2: Combine like terms

2x + 190 = 180

Step 3: Isolate x and solve

2x = -10

x = -5

-5 + 85 = 80°

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