Question

In the figure abcd is a parallelogram whose perimeter is 21 cm find the area of the parallelogram

Answer 1

Answer:

paralellogram is also a. rhombus

perimeter of rhombus = 4× side

= 21 = 4× side

side = 21÷4

= 5.25

area pf rhombus = side×side

= 5.25 ×5.25

= 27.5625 cm ^2