jinelc17 jinelc17

02-02-2021
Mathematics

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(02.07)
Which relationship is always true for the angles r. x, y, and z of Triangle ABC? (4 points)

0207 Which relationship is always true for the angles r x y and z of Triangle ABC 4 points class=

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jimthompson5910 jimthompson5910

02-02-2021

Answer: Choice B) 180 - x = r

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Explanation:

Angles r and x form a straight line, or straight angle, that is 180 degrees.

We then can say

r+x = 180

r+x-x = 180-x .... subtract x from both sides

r = 180-x

180-x = r

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