Math question Volume and Surface area

Mathematics
Tutor: None Selected Time limit: 1 Day

Apr 20th, 2015

21)  a) Volume = (22/7x6^2) x 18 = 2036.57 in

        b) Surface area = 113.14+113.14= 226.28 + ((22/7x12) x 18) = 904.85 in

22) a) volume = (22/7 x36x16)/3=602.88 mm

      b) Surface area =435.2 mm

       

Apr 20th, 2015

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