SOLUTION: If m∠BGC=16x-4 and m∠CGD=2x+13, find the calue of x so that ∠BGD is a right angle.

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Question 497324: If m∠BGC=16x-4 and m∠CGD=2x+13, find the calue of x so that ∠BGD is a right angle.
Answer by cleomenius(959) About Me  (Show Source):
You can put this solution on YOUR website!
16x - 4 + 2x + 13 = 90 degrees.
18x + 9 = 90 degrees.
18x = 81
x = 4.5
16(4.5) - 4 = 68 degrees.
2(4.5) + 13 = 22 degrees.
68 + 22 = 90 degrees. This does check.
Cleomenius.