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Lines m and n are parallel and m<1=140*
What is m<7?

Lines m and n are parallel and m<1=140* What is m<7?-example-1

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m\angle 7=180-m\angle 5\\ m\angle 5=m\angle 1=140\\ m\angle 7=180-140\\ m\angle 7=40
User Sudhakar Ramasamy
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