The formula of the area of the circle is
Area = pi * (d/2)^2
So using the formula,
Area = 3.14 * (30/2)^2
Area = 3.14 * 15^2
Area = 706.5 ft^2
So the area of the hockey rink is 706.5 ft^2
It takes 24 hours to mow 18 lawns
8.66, you divide 12.99 into 3 and then multiply the result which is 4.33 by 2
If the same number of people are in 6 rows, and we're asked to find how many people are in 12 rows, we can simply multiply that number by 2.
<h3>239 * 2 = 478</h3>