Question

find the area of a rectangle whose perimeter is 100 meter and length is 30 metre​

Answer 1

Answer:

2×(l+b)=100

2×(30+b)=100

60+2b=100

2b=100-60

b=40÷2

=20cm

so breadth is 20cm

area is 600cm square

Answer 2

Step-by-step explanation:

BREADTH OF THE RECTANGLE= PERIMETER-LENGTH/2

100-30/2

35cm

Area

L×B

30×35

1050cm^2