A standard size bass drum has a diameter of 22 inches and is 18 inches deep. Find the Volume of this drum.
2. Jose measured the diameter of a ball as 7 inches . Haw many cubic inches of air can the ball hold?
3. A tent in the form of a pyramid has a square base area of 40dm² and a height of 8.25 dm. Haw mach air can it cantain?
Answers
Given : A standard size bass drum has a diameter of 22 inches and is 18 inches deep.
Jose measured the diameter of a ball as 7 inches
To Find :: the Volume of this drum.
Haw many cubic inches of air can the ball hold
Solution:
A standard size bass drum has a diameter of 22 inches and is 18 inches deep
radius - diameter /2 = 22/2 = 11 inches
h = 18 inch
Volume = πr²h
= 3.14 * (11)² * 18
= 6,838.92 cubic inches
.
Jose measured the diameter of a ball as 7 inches
r = 7/2 inch
Volume of sphere = (4/3) πr³
= (4/3) (22/7) (7/2)³
= 11 * 7² / 3
= 539/3
= 179.67 cubic inches
Volume of pyramid = Base area * height = 40 * 8.25 = 330 dm³
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