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Artist 52 [7]
3 years ago
12

Find the measure of angle CBA.

Mathematics
2 answers:
aliina [53]3 years ago
6 0
101 degrees is angle CBA
Wewaii [24]3 years ago
4 0

The measure of ∠CBA = 101°.

The sum of the angles is 180°, so to solve, add all of the expressions and equal it to 180°. Then, solve for X by combining like terms, subtractracting 30 from both sides and dividing both sides by 15.

(4x+7) + (11x-9) + 32 = 180

15x + 30 = 180

15x = 150

x = 150/15

x = 10

Then, plug x = 10 into the expression representing anlge CBA.

∠CBA = 11x - 9 = 11(10) - 9 = 101.

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