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Three straight lines intersect as shown. Find m
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40 votes
40 votes
Three straight lines intersect as shown. Find m

User Swcool
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1 Answer

15 votes
15 votes

Since two lines intersected at a point, then

There are verticaly opposite angles formed

Since angle ABC formed from two angles one of them is right angle (90 degrees) and the other is opposite angle to angle 32, then

Angle ABC = 90 + 32

Angle ABC = 122 degrees

User Firo
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