Question

The perimeter of a rectangle is 130 cm. If the breadth of the rectangl
30 cm, find its length. Also find the area of the rectangle.
​

Answer 1

Answer:

2(l+b) =130cm

2(l+30cm) =130cm

2l+60cm=130cm

2l=130cm-60cm

2l=70cm

l=35cm

area=l*b

=35*30cm²

1050cm²

Answer 2

Answers

length = 35cm

Area = 1050cm²

Explanation:

Let the length be x

Breadth = 30cm

Perimeter = 2×(length+breadth) = 2×(x+30cm) = 130cm

Length = P÷2-b = 130÷2-30 = 35cm

Area = (l×b) = (35cm×30cm) = 1050cm²