ABCD is a parallelogram. If AB = 3x+4, and CD = 4x – 1, find the length of AB? 20 19 17 15

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Answer 1 · 2018-03-07T17:12:00

#color(red)(=19#

In a parallelogram opposite sides are equal & parallel.

#therefore 3x+4=4x-1#

By transposing method

#4x-3x=4+1#

#color(magenta)(x=5#

#therefore # Length of #AB=3x+4#

#=3xx5+4#

#=15+4#

#color(red)(=19#

~Hope this helps! :)