The volumes of the given cylinders ;
1. 125.6 cubic inches, 2. 62,800 cubic cm, 3. 2,009.6 cubic mm, and 4. 2,289.26 cubic feet.
The volumes of the given spheres;
1. 523.33 cubic cm, 2. 7,234.56 cubic inches, 3. 4.1866 cubic feet, and 4. 38,772.92 cubic mm.
Explanation:
Step 1:
The volume of any cylinder is given by π times the product of the square of the radius (r²) and the height (h).
The volume of any cylinder,
.
Step 2:
1. d = 4 inches, r = 2 inches, h = 10 inches,
cubic inches.
2. r = 20 cm, h = 50 cm,
cubic cm.
3. d = 16 mm, r = 8 mm, h = 10 inches,
cubic mm.
4. r = 9 feet, h = 9 feet,
cubic feet.
Step 3:
The sphere's volume is given by multiplying
with π and the cube of the radius (r³).
The sphere's volume ,
.
Step 4:
1. r = 5 cm,
,
cubic cm.
2. d = 24 inches, r = 12 inches,
,
cubic inches.
3. r = 1 foot,
,
cubic feet.
4. d = 42 mm, r = 21 mm,
,
cubic mm.