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PLEASE HELP GEOMETRY URGENT

PLEASE HELP GEOMETRY URGENT-example-1
User Sdikby
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1 Answer

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1) Since it is an isosceles triangle, the angle at T should be the same as that at R
2)A straight line adds up to 180 degrees, hence:

(3x-50)+7x should equal 180

proceed to solve the equation like so...

10x - 50 = 180
10x = 180 + 50
10x = 230
x = 230/ 10
x= 23

so the answer is A) x = 23

User Calen
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