Waffless
Waffless Waffless
  • 11-04-2016
  • Mathematics
contestada

Lines g, h, and l are parallel and m ∠ 1 = 52°.

What is m ∠ 11?

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kenz16
kenz16 kenz16
  • 11-04-2016
Is there not a picture that goes with this question?
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RioTheNinja
RioTheNinja RioTheNinja
  • 11-04-2016
m∠1 and m∠4 are equal because they are vertical.
m
∠4 and m∠ 8 are equal because they are corresponding.
m
∠8 and m∠12 are equal because they are corresponding.
m
∠12 and m∠11 are supplementary, so the m∠11 must be equal to 128 degrees.
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