Question

A school playground is rectangular in shape with length = 120 m and breadth = 90 m. Some
school boys run along the boundary of the playground and make 15 complete rounds in 45 minutes how much distance they run in this period.​

Answer 1

ANSWER:-

Length of the rectangular playground = 120 m Breadth of the rectangular playground = 90 m

∴ Perimeter of the rectangular ground = 2(l + b)

= 2(120 + 90) m = 420 m

Thus, in one complete round, boys covers a distance of = 420 m

∴ Distance covered in 15 complete rounds = 420 m x 15 = 6300 m

Answer 2

Answer:

Distance covered by the boys to completer 15 rounds is 6300 m.

Step-by-step explanation:

Given

Length of rectangular playground =120 m

Breadth of rectangular playground =90 m

Hence, the perimeter of rectangular playground can be calculated as follows :

Perimeter =2 (Length + Breadth)

Perimeter =2(120 m+90 m)

=2×210 m

We get,

=420 m

Hence, distance covered by the boy in one round =420 m

Therefore, total distance covered by the boy to complete 15 rounds can be calculated as follows :

Distance =15× Perimeter

=15×420

We get,

=6300 m

Therefore, distance covered by the boys to completer 15 rounds is 6300 m.