3 years ago

Find the value of b. Then find the angle measures of the pentagon.

1 answer:

8 0

B + 3/2*b + b + 45 + 2b - 90 + 90 = 540
Or, 4b + 3b/2 + 45 = 540
Or, (8b+3b)/2 = 495
Or, 11b = 990
Or, b = 90
Now,
b+45 = 135
3/2*b = 135
2b - 90 = 90

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