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audreymvarney
01.11.2019 •
Mathematics
Find the measure of angle 7.
measure of angle 7 = 2x+15
measure of angle 8 = 3x
2_14c
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Ответ:
<7
Subtract by 15
-8 = 2x
Divide by 2
-4 = x
<8
8 = 3x
divide by 3
8/3 = x
Ответ:
x/y is 9/45=1/5
so when x=2, y=5*2=10