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11-07-2022
Mathematics

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Analyze the diagram below and complete the instructions that follow.
find m
a.66
b.71
c.21
d.26

Analyze the diagram below and complete the instructions that follow find m a66 b71 c21 d26 class=

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Medunno13 Medunno13

11-07-2022

Answer:

71°

Step-by-step explanation:

84+(2x-1)+(x+8)+(x+5)=360 [angles in a quadrilateral add to 360°]
4x+96=360 [combine like terms]
4x=264 [subtract 96 from both sides]
x=66 [divide both sides by 4]

So, angle A measures 66+5=71°

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