Question

The length of a rectangle is 3 cm more than its breadth. If the perfeteris 22 cm, find the
dimensions of the rectangle,

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given : The length of a rectangle is $3 cm$  more than its breadth and the perimeter is $22 cm.$

To find : Dimensions of rectangle

Formula used :

The perimeter of rectangle $=2(L+B)$

• Calculation for Dimensions of rectangle

we have perimeter of rectangle $=22cm$

First of all let the breadth of rectangle $=x cm$

Then the length of rectangle $=(x+3)cm$

So by using the formula, perimeter is,

The perimeter of rectangle $=2(L+B)$

                                    $22=2[(x+3)+x]$

                                      $\frac{22}{2}=[x+3+x]$

                                      $11=2x+3$

                                      $2x=11-3$

                                       $2x=8$

                                      $x=\frac{8}{2}$

                                     $x=4$

So the Breadth of rectangle $=xcm$

                                              $=4cm$

The length of rectangle $=(x+3)cm$

                                        $=(4+3)cm$

                                        $=7cm$

Hence, the dimensions of rectangle are $7cm,4cm$.