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mash [69]
3 years ago
11

Can somebody please explain how to do this please? (5 points)

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0

Look at the picture.

∠2 and ∠3 are Corresponding Angles. j || k, thereofre m∠2 = m∠3.

∠1 and ∠3 are supplementary angles, therefore m∠1 + m∠3 = 108°.

m∠1 = 10x + 4, m∠2 = m∠3 = 4x - 6. Therefore we have the equation:

(10x + 4) + (4x - 6) = 180

(10x + 4x) + (4 - 6) = 180

14x - 2 = 180     <em>add 2 to both sides</em>

14x = 182     <em>divide both sides by 14</em>

x = 13

10x + 4 = 10(13) + 4 = 130 + 4 = 134

4x - 6 = 4(13) - 6 = 52 - 6 = 46

<h3>Answer x = 13, m∠1 = 134°, m∠2 = 46°</h3>

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