Question

The perimeter of a rectangle is 13 cm and its width is 11/4 .find its length​

Answer 1

Answer:

3.75

Step-by-step explanation:

length=(13-5.5)/2

=7.5/2

=3.75

Answer 2

Solution:-

Given,

perimeter is 13cm

perimeter is 13cmWidth is 11/4 cm

To find:

• length =?

HERE COMES SOLUTION

$perimeter = 2(l + b)$

$13cm = 2(l + \frac{11}{4} ) \\ 13cm = 2( \frac{4l + 11}{4} ) \\ 13cm = \frac{4l + 11}{2} \\ 26cm = 4l + 11 \\ 15cm = 4l \\ \frac{15cm}{4} = l \\ length = \frac{15}{4} cm$

Correct Answer:- 15/4 cm