Question

Q2. The perimeter of a rectangle is 13 cm and its width is 11/4 cm. Find its length?
(3 marks)​

Answer 1

Hi friend!!

Perimeter of a rectangle = 13 cm

2(length+breadth) = 13

length + 11/4 = 13/2

length = 13/2 - 11/4

length = 26/4 - 11/4

length = (26-11)/4

length = 15/4

Therefore, length of the rectangle = 15/4 cm

Answer 2

Answer:

l = 15/4

Step-by-step explanation:

Perimeter of Rectangle = 13cm

Width of Rectangle = 11/4cm

Perimeter of Rectangle = 2(l+b)

                                   13 = 2(l+11/4)

                                   13 = 2l + 11/2

                                   13 = 4l+11/2

                                   (13-11)/2 = 4l

                                   26-11 = 4l

                                         15 = 4l

                                         15/4 = l

                        Therefore, length = 15/4