2 years ago

Two lines intersect at point B, which is also the endpoint of two rays.

Mathematics

1 answer:

monitta2 years ago

6 0

Answer:

Step-by-step explanation:

Angle B is a 90 degree angle. It is made up of two complementary angles ,57 and 3x. Using this equation

$57 + 3x = 90$

We solve for x

3x=33

x=11, then since plug in 11 into 2x and we get 22.

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