George wants to tie a ribbon round a basket ball to give it as a gift. he needs enough ribbon to wrap around
the ball and 12 more cm to tie a bow. the basket ball has a radius of 7cm. How much ribbon does he need in total
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56 cms
Step-by-step explanation:
radius= 7 cms,
peremeter of ball= 2* pie* r = 2*22/7*7= 44 cms
extra ribbon for bow = 12 cms
total ribbon = 44+12 = 56 cms
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