ABCD is a parallogram where ab=x + 5 and CD =2x -7. find the lenght of the CD.
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ABCD is a parallogram where ab=x + 5 and CD =2x -7. find the lenght of the CD.
ABCD is a parallogram where ab=x + 5 and CD =2x -7. find the lenght of the CD.
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Step-by-step explanation:
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Verified answer
Answer:
( Sum of the angles of a straight line - 180° )
⇒ ( x+5 ) + ( 2x-7 ) = 180°
⇒ x - 2x - 7 - 5 = 180°
⇒ - x - 12 = 180 ( Now '-' and '-' cancels )
⇒ 12x = 180°
⇒ x = 180/12
⇒ x = 15