Question

find the area of circle whose diameter is 8.4 CM

Answer 1

Answer:

Area = 55.44 sq.cm

Step-by-step explanation:

Radius = Diameter/2 = 8.4/2 cm = 4.2 cm

Area = pi r^2 = 22/7 * 4.2 * 4.2 = 55.44 sq.cm

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Answer 2

Answer:

Step-by-step explanation:

Diameter=8.4 cm

Radius=4.2 cm

Area=pie ×radius ×radius

=22/7×4.2×4.2

=55.44cm sq