Question

How many times a wheel of radius 49 cm must rotate to go 570 m.(Take π = 22/7)​

Answer 1

Answer:

$2\pi \: r = 2 \times \frac{22}{7} \times 49 = 44 \times 7 = 308cm$

$3.08m$

570÷3.08=185

185 times wheel will go and complete 570m

that's is your answer

Answer 2

Step-by-step explanation:

First let us find the square of 2509 using long division method. The remainder is 9. Hence 502<2509Hence the number to be subtracted is 2509-2500=9Therefore 9 should be subtracted from 2509 to get a perfect square.