Find the volume of a cylinder with a height of 7 cm and a radius of 3 cm. A. 21 / cm3

B. 63 71 cm

C. 147 cm

D. 42 71 cm

198 cm³

Step-by-step explanation:

V = π r² h

V = 22/7 × 3² × 7

V = 22/7 × 9 × 7

V = 22 × 9

V = 198 cm³

54.864 meters

step-by-step explanation:

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.