Question

Find the value of x

Answer 1

Answer:

x+10° + x + x+20°=180°(sum of angles on a straight line is equal to 180°).

= 3x + 30 = 180°

= 3x = 180-30=150

= 3x = 150

= x= 150/3

= x = 50.

So, angles are : 50,x+10=50+10=60,x+20=50+20=70.

i.e, angles are: 50,60,70. Ans.

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