Find the value of x (A) x= 135 (B) x= 25 (C) x= 35 (D) x= 90

asked Jul 20, 2023 160k views

3 votes

Find the value of x

(A) x= 135
(B) x= 25
(C) x= 35
(D) x= 90

by Nam

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5 votes

THE SUM OF THE INNER ANGLES IS 180°

$(x - 7) + (2x - 8) + 90 = 180 \\ x - 7 + 2x - 8 + 90 = 180 \\ x + 2x = 180 + 7 + 8 - 90 \\ 3x = 105 \\ (3x)/(3) = (105)/(3) \\ x = 35$

OPTION C IS THE RIGHT ANSWER.

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