find the value of X
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Answer:
x+3 + x-1 + x+1 = 90
3x +3 = 90
3x = 90-3
3x = 87 .
x= 29°
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(x+3)° +( x-1)° + (x+1)°= 90°
3x +3 = 90
3x = 90-3 = 87
x = 29°
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