Complete the two-column proof.

given: < 2 = < 4, m< 2 = 110
proof: m< 3 = 70

< 2 = < 4, m< 2 = 110 given
m< 2 = m< 4 definition of congruent angles
m< 4 = 110
< 3 and < 4 are a linear pair definition of a linear pair(shown in diagram)
< 3 and < 4 are supplementary linear pair postulate
m< 3 + m< 4 = 180
m< 3 = 70

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saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have