Question

The perimeter of a parallelogram whose parallel sides have lengths equal to 12 cm and 7 cm is:

A. 21 cm
B. 42 cm
C. 19 cm
D. 38 cm​

Answer 1

The perimeter of the given parallelogram is 38 c.m

Step-by-step explanation:

perimeter of a parallelogram = perimeter of a rectangle

2×(length+breadth)

2×(7+12)

2×19

38 c.m

Answer 2

perimeter of parallelogram = 2(L+B)

= 2(7+12)

= 2 × 19

= 38cm