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

enter image source here

1 Answer
Mar 7, 2018

Answer:

#color(red)(=19#

Explanation:

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! :)