Find the area of the circle assuming n equal to 22/7 if a. radius = 6 cm b. diameter = 14dm.

univerkov | January 1, 2021 | education

a) S circle = pir ^ 2.
r = 6 cm.
pi = 22/7.
S circle = (22/7) * 6 ^ 2 = (22/7) * 36 = 792/7 = 113 whole 1/7 cm sq.
Answer: 113 whole 1/7 square centimeters.
b) S circle = (pi / 4) d ^ 2
d = 14 dm.
S circle = (22/7/4) * (14) ^ 2 = (22/7 * 4) * 196 = (22/28) * 196 = 154 dm.sq.
Answer: 154 square decimeters.

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