Question

The length of a rectangle is 1 cm more than

3 times its breadth. Its perimeter is 82 cm.

What is its length?​

Answer 1

Step-by-step explanation:

let the breadth be x cm.

the length of the rectangle is (3x+1)cm.

the perimeter of the triangle is 82cm.

2(x+3x+1)=82

2(4x+1)=82

4x+1=41

4x=40

x=10

length is (3×10+1)

31 cm.

Answer 2

Answer:

Length = 31 cm

Breadth = 10 cm