Question

line l || line m, angle a=90 degree angle b=?​

Answer 1

Answer:

Given:l∥m

sum of the interior angles on the same side of transversal is 180

∘

b+52

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=180

∘

⇒b=180

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−52

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=128

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And a=52

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∴a=52

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,b=128

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