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Reil [10]
3 years ago
10

ZA and ZB are complementary angles. If m A = (8x + 27)° and m

Mathematics
1 answer:
slamgirl [31]3 years ago
5 0

Answer:

15

Step-by-step explanation:

Complementary angles add to 90 degrees

8x+27 + 6x-21 = 90

Combine like terms

14x+6 = 90

Subtract 6 from each side

14x+6-6 = 90-6

14x = 84

Divide by 14

14x/14 = 84/14

x=6

We want angle B

B = 6x-21 = 6*6-21 =36-21 = 15

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