Question

find the perimeter, the area and the length of each diagonal of the rectangle

length=18cm
breadth =12cm

Answer 1

l = 18 cm
b= 12 cm

area = l×b = 18×12 = 216 cm ^2.......

perimeter = 2(18+12) = 60 cm^2.....

Answer 2

perimeter.
$2(l + b) \\ 2(18 + 12) \\ = 2(30) \\ = 60$
Area
L multiply B
18 multupied by 12
=18 * 12
216