Question

ABCD is a parallelogram. All measurements are in centremetres. Find x if AB is 3x+5 and CD 5x-9

Answer 1

Explanation:

if the given shape is a parallelogram, then its opposite sides are equal and parallel.

hence,

3x+5 = 5x-9

=》 5+9 = 5x - 3x

=》 14 = 2x

=》 x = 7 cm.