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dezoksy [38]
3 years ago
6

Find the area of a circle having a radius of 9 cm

Mathematics
2 answers:
iVinArrow [24]3 years ago
7 0

Answer:

81 pi cm^2

or approximately 254.34 cm^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

A = pi (9)^2

A = 81 pi

Using 3.14 as an approximation for pi

A = 81 (3.14)

A =254.34 cm^2

faltersainse [42]3 years ago
4 0

Answer:

81pi cm^2

Step-by-step explanation:

formula : pi*r^2

pi*9^2

pi*81

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