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Triangle ABC is a right triangle.

Triangle A B C. Angle A is x degrees, B is 90 degrees, C is (x minus 10) degrees. The exterior angle to angle C is (2 x + 40) degrees.

Which equations can be used to find the value of x? Check all that apply.

1. x + 90 + (x minus 10) = 180
2. x + 90 + (2 x + 40) = 180
3. 2 x + 80 = 180
4. x + 90 = 2 x + 40
5. (x minus 10) + 90 = 2 x + 40

Triangle ABC is a right triangle Triangle A B C Angle A is x degrees B is 90 degrees C is x minus 10 degrees The exterior angle to angle C is 2 x 40 degrees Whi class=

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loveisawayright11

Answer:

it's the 3 one 2 x + 80 =180

crenda9
It’s the 2 x + 80 = 180

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