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harkovskaia [24]
3 years ago
10

16. Find the value of y. ​

Mathematics
1 answer:
devlian [24]3 years ago
8 0

y + (2x -12) = 180 (since they are supplementary angles)

(2x-12) = 96 ( since they are alternate exterior angle)

2x = 96 + 12

2x = 108

x = 108/2

x = 54.

y+( 2x-12)=180

y+(2× 54 -12) = 180

y + (108-12) = 180

y + 96 = 180

y= 180-96

y = 84.

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