find( A) diameter (b) the radius of a circle given the circumference as take( 22 upon 7)
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1. r=3.5 cm d=7 cm 2. r=140cm d= 280cm 3. r= 9.8m d= 19.6 m
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1) 44/7r = 22
r = 22*7/44 = 3.5 cm
d = 7cm
2) similarly 8.8 *7/44 = r 1.4metre and d = 2.8 m
3) Try yourself..
r = 22*7/44 = 3.5 cm
d = 7cm
2) similarly 8.8 *7/44 = r 1.4metre and d = 2.8 m
3) Try yourself..
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