5.solve for x. 6.solve for x.

Mathematics

1 answer:

sertanlavr [38]3 years ago

4 0

Answer:

5. The sum of angles in a triangle is 180° so we can write:

9x - 16 + 3x + 11 + 7x - 5 = 180

19x - 10 = 180

19x = 190

x = 10°

6. Because the measure of an exterior angle is equal to the sum of its two remote interior angles we can write:

17x - 23 = 3x + 17 + 8x - 4

17x - 23 = 11x + 13

6x = 36

x = 6°

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