Parallel lines - 2

Geometry Level 1

In the figure shown, lines a a and b b are parallel to each other. Find ∠ 1 + ∠ 2 + ∠ 3 + ∠ 4 + ∠ 5 + ∠ 6 + ∠ 7 \angle 1 + \angle 2+ \angle 3 + \angle 4 + \angle 5 + \angle 6 + \angle 7 .


The answer is 700.

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1 solution

Saksham Jain
Nov 17, 2017

∠ 1 + ∠ 3 \angle 1 + \angle 3 =180 ∠ 6 + ∠ 7 \angle 6 + \angle 7 =180 ∠ 4 + ∠ 5 \angle 4 + \angle 5 =220 ∠ 2 \angle 2 =120 add up.answer is 700

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