Question

The area is 42 square millimeters. The length is 7 millimeters. what is the perimeter of the rectangle?

Answer 1

Answer:

26mm

Step-by-step explanation:

• Given :  area of the rectangle =  42 square millimeters

             length = 7 millimeters

• To find : perimeter of the rectangle

• Formula used : Area of rectangle = length * breadth

                          perimeter of rectangle= 2(l +b)

• solution : Let breadth of rectange be X =

             now,  42 = 7*x

                         42/7 = x

                        6mm =x

                          perimeter of the rectangle =  2(6+7)

                                                                       = 2*13

                                                                        = 26mm

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