EXERCISE 12.2
A.
Find the area of circular region when its radius is:
(1) 14 cm
(2) 10.5 cm (3) 21 cm (4) 17.5
(5) 35 mm (6) 24.5 cm (7) 71.4 cm (8) 38.5
B.
Find the radius of the circular region when its area is:
(1) 154 sq. mm (2) 2,464 sq. cm (3) 7546 sq. mi
(4) 5,544 sq. mm (5) 6.16 sq. mm (6) 962.5 sq. cr
(7) 38.5 sq. m (8) 75.46 sq.mm (9) 13.86 sq. m
(220)
Mathi
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Answer:
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Answer:
22565 m
Explanation:
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