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Name one pair of vertical angle

Name one pair of vertical angle-example-1

1 Answer

3 votes

Answer:

1 and 3 (or 2 and 4)

Explanation:

m<1+m<2=180 degrees (def. of straight angle)

m<3+m<2=180 degrees (def. of straight angle)

So m<1 and m<3 must be vertical.

(m<1 means measure of angle one.)

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