Question

13. The length of a rectangle is 5 cm less than 3 times the width. Theperimeter of the rectangle is 94 cm. What is the length of the rectangle?C. 33 cmA 31 cmD. 34 cmB. 32 cm

Answer 1

Given: The length of a rectangle is 5 cm less than 3 times the width. The

the perimeter of the rectangle is 94 cm.

Required: To find out the length of the rectangle.

Explanation: Let the breadth of the rectangle be x cm. Then the length l is

`l=5-3x`

Now the perimeter of rectangle is 94 cm-

`2(l+b)=94`

Now putting the values of l and b we get,