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In Figure H, AB || CD. Find ∠a when ∠b = 60° and ∠c = 60°.

In Figure H, AB || CD. Find ∠a when ∠b = 60° and ∠c = 60°.-example-1

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Answer:

...the sum of the angles of a triangle = 180°

vertically opposite angles are equal

^b =60°

^c=60°

the angle opposite to ^c = 60°

â= 60°

Explanation:

In Figure H, AB || CD. Find ∠a when ∠b = 60° and ∠c = 60°.-example-1
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