2 years ago

In the isosceles trapezoid below, X = 5x+ 15° 7x-11°

Mathematics

1 answer:

tangare [24]2 years ago

6 0

Answer:

x = 13°

Step-by-step explanation:

5x+15°=7x-11°

5x-7x = -11°-15°

-2x = -26° divide both sides by -2

x = 13°

5x+15° = 5×13°+15° = 80°

7x-11° = 7×13° -11°. = 80°

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