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What is the measure of the highlighted angle

What is the measure of the highlighted angle-example-1

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angle on a straight line sums up to 180
so
72+x + x+130 = 180
2x = 180-72-130
2x =-22
x= -11

so Angle on the LHS is 61°
while angle on the RHS is 119°
User Jihoon Kwon
by
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