Question

how many steps will she
19. Mohan walks 9 km everyday. He walks around a rectangular park 600 m long and 300 m wide 4
many rounds of the park does he take ?
20. Find the perimeter of an equilateral triangle each of whose sides is 6.5 cm.​

Answer 1

Answer:

19. 5 rounds

Step-by-step explanation:

Rectangular track length = 600m = .6 km

breadth= 300 m = .3km

Hence, in one round, distance travelled = 2(l+b) = 2 ( .6 +.3) km = 2 x .9 = 1.8 km

Mohan walks total distance = 9km

Hence, No. of rounds = 9/1.8 km = 5 rounds