Question

Find the perimeter of a rectangle whose sides are:
a. 12 cm and 9 cm
b. 24 m and 20 m​

Answer 1

Answer:

$a) \: 12cm \: and \: 9cm$

PERIMETER =2(L+B)

= 2(12+9)

=2×21

= 42 cm

$b) \: 24m \: and \: 20m$

PERIMETER =2(L+B)

= 2 (24 +20 )

= 2×44

= 88 M

Step-by-step explanation:

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