Question

please tell quickly​

Answer 1

We know that sum of all angles in a triangle is 180 degrees

Therefore we have-

2x+15 + x+10 + 3x+5  =  180

by solving, we will get-

6x+30=180

x=150/6

x=25

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Answer 2

Answer:

IN TRIANGLE SUM OF ALL ANGLES = 180°

SO, (2X + 15) + (X + 10) + (3X + 5) = 180°

THEREFORE , 6X + 30° = 180°

6X = 180° - 30° = 150°

THEREFORE , X = 150°/6 = 25

SO , CORRECT OPTION IS C) 25 °