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11-03-2021
Mathematics

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Find the value of x , then find the measure of angle A ( show your work ).

Find the value of x then find the measure of angle A show your work class=

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Аноним Аноним

11-03-2021

Step-by-step explanation:

2x+2+6x+4=120°(exterior angle of a triangle is equal to the sum of its opposite interior angle)

8x+6=120

8x=120-6

8x=114

x=114/8

x=14.25

now,

angleA=2x+2

2×14.25+2
28.5+2
30.5°

hope it helps.

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