Given l||m and m∠1 = 60°, select all angles that are also equal to 60°.
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The angles whose equals to 60 ° are ∠1 , ∠2 , ∠3 , ∠4 .

Step-by-step explanation:

As given

l and m are the parallel lines .

m ∠ 1 = 60 °

Thus

∠1 = ∠2 = 60 °

(As l and m are the parallel lines and ∠ 1 and ∠2 are the vertically opposite angles .)

As

∠2 = ∠3

(As l and m are the parallel lines and ∠2 and ∠3 are the alternate interior angles. )

As

∠3 = ∠4 = 60°

( As l and m are the parallel lines and ∠ 3 and ∠4 are the vertically opposite angles )

Therefore the angles whose equals to 60 ° are ∠1 , ∠2 , ∠3 , ∠4 .

46.2+112.3

step-by-step explanation:

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step-by-step explanation: