Answer:
The exact volume of the cone is 
Step-by-step explanation:
we know that
The volume of the cone is equal to

we have


substitute the values

Answer:
x ≈ 16.52
Step-by-step explanation:
Use the tangent ratio in the right triangle to find x
tan36° =
= 
Multiply both sides by x
x × tan36° = 12 ( divide both sides by tan36° )
x = 12 / tan36° ≈ 16.52 ( to 2 dec. places )
Answer:3
Step-by-step explanation:
<span>7/8 - 1/4 = 7/8 - 2/8 = 5/8</span>
The key information here is the time he took to run the race - 420 seconds
We know that there are 60 seconds in 1 minute so to find the number of minutes we divide 420 by 60 to get 7.
Murad took 7 minutes to run the race