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Question
Find the diameters of the circles whose radii are given below.
(1) 5 cm
(2) 7 cm
(3) 2.4 cm
(4) 3.7 cm
Find the diameters of the circles whose radii are given below.
(1) 5 cm
(2) 7 cm
(3) 2.4 cm
(4) 3.7 cm
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Solution
Diameter (d) = 2r, r being the radius
(1) d = 2r = (2 × 5) cm = 10 cm
(2) d = 2r = (2 × 7) cm = 14 cm
(3) d = 2r = (2 × 2.4) cm = 4.8 cm
(4) d = 2r = (2 × 3.7) cm = 7.4 cm
Diameter (d) = 2r, r being the radius
(1) d = 2r = (2 × 5) cm = 10 cm
(2) d = 2r = (2 × 7) cm = 14 cm
(3) d = 2r = (2 × 2.4) cm = 4.8 cm
(4) d = 2r = (2 × 3.7) cm = 7.4 cm
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