Question

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the angles of a triangle are (x-35) , (x-25) and ( 1 upon 2 x - 10). form an equation in x and hence find x
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Answer 1

x-35+x-25+1/2 x-10=180
2.5x-70=180
2.5x=180+70=250
x=250÷2.5=100


hope this wiĺl help u

Answer 2

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⇒  The sum of the interior angles of a triangle is 180 degrees.

√ x-35 + x-25 + 1/2x - 10 = 180 degree

√ 2.5x -70 = 180 degree

√ 2.5x = 250

√ x=100
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