Question

Prove that sum of three angles of a triangle is 180°. Using this result, find value of x,if

it is given that three angles of triangle are (2x -

7)°. (x +25)° and (3x + 12)°

respectively​

Answer 1

Step-by-step explanation:

(3x+12)+(x+25)+(2x-7)=180

6x+30=180

6x=150

x=25

25°

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Answer 2

Step-by-step explanation:

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