Question

ABCD is a parallogram where ab=x + 5 and CD =2x -7. find the lenght of the CD.​

Answer 1

Step-by-step explanation:

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Answer 2

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