Question

If the three angles ( x+3), (×+20) and ( x+7) lie on a straight line , find the value of x in degrees​

Answer 1

Answer:

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Answer 2

Answer:

x = 50°

Step-by-step explanation:

given that three angles (x + 3),(x + 20) and (x + 7) lie on a straight line.

we know that angle on a straight line is 180°

so (x + 3) + (x + 20) + (x + 7) = 180

3x + 30 = 180

3x = 150

x = 150/3

x = 50°