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faithschuck
Since a supplementary angle equals 180 degrees then all you have to do to figure out the second angle is subtract 180-88 to find Angle 4 which is 92.
apologiabiology
supplementary angles add to 180
they are x and y

x is 88
what is y
x+y=180
88+y=180
minus 88 from both sides
y=92

angle 4 is 92 degrees

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