Answer:
C = 48
Explanation:
All angles together will equal 180. 1 Angle is a right angle at 90. That leaves 90 for the remaining 2 angels.
set your formula as 10x-8 + 4x+28 = 90 and solve for x
x = 5
now substitute 5 in place of x
c= 4*5 + 28
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