Question

find the length and breadth of a rectangle whose perimeter is 80cm and its area is 400cm²​

Answer 1

Answer:

Answer in attachment image.⬆️

Step-by-step explanation:

$\huge{\underline{\mathtt{\red{ƛ}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}} :) :)$

It's a square park.

Therefore, The length and breath are same..

Answer 2

Step-by-step explanation:

2{L+B} = 80

L + B = 40

L×B = 400

L{40-L} = 400

40L -L^2 = 400

L^2 -40L +400 = 0

L^2 -20L -20L +400 =0

L {L-20} -20{L -20} =0

L = 20 cm

B = 20 cm