Thursday, March 17, 2011

2 Questions on Volume


a) Yes he does have enough small prisms. (16)
b) v= b x h1/2 x h2
v=1.4 x 1.7/2 x 1.8
v= 1.19 x 1.18
v= 1.4042
v= 1.4042 x 16squares= 22.46m3
4. a) v= pi.r.r.h
v= (3.14.5.5).23
v=78.5 x 23
v= 1805.5cm3
b) v= pi.r.r.h
v= (3.14.14.14).12
v= 7385.28cm3

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