Question

One side of parallelogram is 4.8 cm and other is 1 half times of this side . Find the perimeter

Answer 1

1st side = 4.8 cm
2nd side =3/2 x 4.8 =7.2cm
Perimeter = 2 x (4.8+7.2)
= 2 x 12 = 24cm

Answer 2

Answer:

In a parallelogram shorter side (b)=4.8 cm.

∴

longer side

(

l

)

=

4.8

+

1

2

×

4.8

=

4.8

+

2.4

=

7.2

c

m

∴

Perimeter = 2(l+b)=2(7.2+4.8) cm

=

2

×

12.0

=

24

c

m

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