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When we have a transversal across parallels, each of the numbered angles is either congruent or supplementary to angle 1.  It's pretty obvious which is which; the obtuse ones are all 113 degrees and the acute ones are all 180 - 113 = 67 degrees.

1 and 2 form a linear pair so supplementary angles.

m∠2 = 67°

1 and 3 are corresponding angles, they're congruent

m∠3 = 113°

3 and 4 are a linear pair

m∠4 = 67°

3 and 5 are vertical angles, which are congruent

m∠5 = 113°

3 and 6 are a linear pair

m∠6 = 67°

1 and 7 are vertical angles

m∠7 = 113°

1 and 8 are a linear pair

m∠8 = 67°

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step-by-step explanation:

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answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.