Question

the length of a rectangular hallway is 3 times its breadth. if breadth of rectangle is 7/2. find the perimeter of rectangle

Answer 1

Answer:

Length of rectangular= 3b

=3*7/2

21/2

perimeter= 2(l+b)

2(21/2+7/2)

=2(14)

=28

Answer 2

Answer:

To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides. This number divided by 2 is the width.