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  • 04-03-2021
  • Mathematics
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  • 04-03-2021

Answer:

∠6=102°

∠7=78°

Step-by-step explanation:

Assume the line on the top is AB and the bottom is CD.

Given that ∠1=102°.

∠6=102° (alt. ∠s, AB║CD)

∠7=180°-∠6 (int. ∠s, AB║CD)

=180-102

=78°

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