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Studentka2010 [4]
3 years ago
12

Basic math plz help volume of a cylinder with the given height and radius or diameter problems.

Mathematics
1 answer:
AlekseyPX3 years ago
8 0

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.

Step-by-step 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, V =\pi r^{2}  h.

Step 2:

1. d = 4 inches, r = 2 inches, h = 10 inches, V =\pi r^{2}  h = 3.14 (2^{2} )(10) = 125.6 cubic inches.

2. r = 20 cm, h = 50 cm, V =\pi r^{2}  h = 3.14 (20^{2} )(50) = 62,800 cubic cm.

3. d = 16 mm, r = 8 mm, h = 10 inches, V =\pi r^{2}  h = 3.14 (8^{2} )(10) = 2,009.6 cubic mm.

4. r = 9 feet, h = 9 feet, V =\pi r^{2}  h = 3.14 (9^{2} )(9) = 2,289.06 cubic feet.

Step 3:

The sphere's volume is given by multiplying \frac{4}{3} with π and the cube of the radius (r³).

The sphere's volume , V = \frac{4}{3} \pi r^{3}.

Step 4:

1. r = 5 cm, V = \frac{4}{3} \pi r^{3}, V = \frac{4}{3} (3.14) (5^{3}) = 523.333 cubic cm.

2. d = 24 inches, r = 12 inches, V = \frac{4}{3} \pi r^{3}, V = \frac{4}{3} (3.14) (12^{3}) = 7,234.56  cubic inches.

3. r = 1 foot, V = \frac{4}{3} \pi r^{3}, V = \frac{4}{3} (3.14) (1^{3}) = 4.18666 cubic feet.

4. d = 42 mm, r = 21 mm, V = \frac{4}{3} \pi r^{3}, V = \frac{4}{3} (3.14) (21^{3}) = 38,772.92  cubic mm.

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