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Question 18
2 pts
What is the correct equation of the following radical function?
V+4-4
Oy - V-4 - 4
Oy V+4+4
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second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

false

step-by-step explanation:

false : it can not go to 9 the highest that part can go is 7

here is your proof

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