adridonnabrooks adridonnabrooks

21-01-2021
Mathematics

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Find the measure of the exterior angle. (I'm assuming it's easy I'm just bad at math.)

Find the measure of the exterior angle Im assuming its easy Im just bad at math class=

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monnettsavannah monnettsavannah

21-01-2021

you will do area for a triangle . when multiplying with the (x+9) you will just multiply the number infront of the parentheses by both the x and the 9. for example the 60 would be 60(x+9) which would be 60x+540

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cheng12 cheng12

21-01-2021

60+x+9=2x then solve for x. x=69
plug in 69 to the exterior angle which is 2x. 2(69)=138°

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