mapg3004
mapg3004
09-11-2020
Mathematics
contestada
Find the measure of the exterior angle
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saijuchacko
saijuchacko
09-11-2020
Answer:
x+9 + 60 = 2x
x+69 = 2x
69 = 1x
x = 69
2x = 2(69)
= 138°
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Daisy12706
Daisy12706
09-11-2020
138 degrees is the correct answer.
Answer Link
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