find x if ab parallel CD
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Answered by
7
both these angles are interior angles.
and the sum of interior angles are 180°.
hence
5x-20+2x-10=180
7x-30=180
7x=210
x=30.
and the sum of interior angles are 180°.
hence
5x-20+2x-10=180
7x-30=180
7x=210
x=30.
Answered by
6
Hey mate, here is your answer: -)
(5x-20) + (2x-10) = 180º
5x-20+2x-10 = 180º
7x-30 = 180º
7x = 180º+30
7x = 210º
x = 210º/7
x = 30º
HOPE it helps to you!!!!
(5x-20) + (2x-10) = 180º
5x-20+2x-10 = 180º
7x-30 = 180º
7x = 180º+30
7x = 210º
x = 210º/7
x = 30º
HOPE it helps to you!!!!
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