Answer: 18pi^2
Step-by-step explanation:
Volume of cone formula = 1/3 x base area x height
so 1/3 x 9pi^2 x 6
= 18pi^2
Yes, 3 yards is bigger than 21 feet because there are 3 feet in a yard.
25 is 5 more than 20 which is 25% more since 5/20 = 1/4 = 25%
To check (1.25 * 20 = 25)
Solution:
Given trigonometric function:
Using perfect square formula:
Arranging square terms together.
Using the trigonometric identity:
Using the trigonometric identity:
Hence .