zainabsulaiman2000
zainabsulaiman2000
15-05-2021
Mathematics
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meowmeow223334
meowmeow223334
15-05-2021
Complementary angles have the sum of 90 degrees
Add angle A and angle B
(8x+27) + (6x-21) = 90
14x + 6 = 90
14x = 84, x = 6
Plug 6 into angle B equation
6(6) - 21 = 36 - 21 = 15
Solution:
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