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Mathematics

1 answer:

Triss [41]3 years ago

8 0

Answer:

27. Alternate exterior angles are congruent.

28. Same-side interior angles are supplementary.

Step-by-step explanation:

27. The two angles whose measures are set equal by the equation are on opposite sides of the transversal, so are "opposite." They are "outside" the space between the parallel lines, so are "exterior." These descriptors identify the angles as "opposite exterior" angles. The theorem/postulate that lets you set their measures equal is ... [the one written above].

28. The two angles whose measures are added in the equation are on the same side of the transversal, so are "same-side" angles. They are "inside" the space between the parallel lines, so are "interior." These descriptors identify the angles as "same-side interior" angles. The theorem/postulate that says their measures sum to 180° is ... [the one written above].

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Barbie is thinking of a number. twenty less than on third of the number 72. Find Barbie's

notka56 [123]

First find one third of the number 72. We can do this by either dividing 72 by 3, or by multiplying 72 by 1/3. I will divide 72 by 3.

72/3 = 24

We have completed half of the problem; one third of the number 72. Now the number Barbie is thinking of is twenty less than the number we just found, 24.

To solve this problem subtract 20 from one third of the number 72; 24.

24 - 20 = 4

The number that Barbie is thinking of is 4.

3 0

3 years ago

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enot [183]

Answer:

c: 40

Step-by-step explanation:

180-20=160