Question

Find the perimeter of a rectangle whose sides are ...

a) 12 cm and 9 cm
b) 24 m and 20 m
C) 7 cm 50 cm and 5 m 25 cm ​

Answer 1

Answer:

A =

Perimeter = 2(l+b)

2(12+9)

2(21)

42

Step-by-step explanation:

B=

Perimeter = 2 (l +b)

= 2(24+20)

=2(44)

=88

Answer 2

Answer:

a.2(l+b)

2(12+9)

2×21

42cm

b.2(24+20)

2×44=88

c.2(750+525)

2×1275

2550