Question

ind the perimeter of a rectangle whose sides are:
1) 12 cm and 9 cm
(b) 24 m and 20 m​

Answer 1

Answer:

let l= 12cm anb b=9cm

1) perimeter of rectangle = 2(l+b)

= 2 ( 12+9) = 2(21) =42 cm 2

2) let l= 24m and b= 20m

perimeter of rectangle =2(l+b)

=2(24+20) = 2(44) = 88m2