Question

The three angles of a triangle are ( x + 10)degree, ( 2x+20) degree and ( x – 10) degree, then the value of x =​

Answer 1

Answer:

40

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Answer 2

Answer:

Sum of all angles in triangle=180

x+10+2x+20+x-10=180

4x+20=180

4x=180-20

4x=160

x=160/4

x=40

Therefore ,value of x is 40.