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November 01, 2025, 10:00:41 am
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Author Topic: Further maths hrlp!!!!!  (Read 704 times)  Share 

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zibb3r

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Further maths hrlp!!!!!
« on: August 16, 2011, 05:03:37 pm »
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1) The cross sectional area of a metal beam used in skyscraper production is 153 cm2 and the length of the beam is 3m.  What volume of metal is required to produce the beam???

a)459cm3
b)4590cm3
c)45900cm3
d)459m3
e)45900m3


2 and 3) A cylindrical drum has the following properties:
-a thickness of 2cm
-a total diameter of 52cm (including the 2cm thickness)
-a height of 27cm

Find the surface area of the outside curved surface:

a)324cm2
b)509cm2
c)1018cm2
d)3053cm2
e)12215cm2

Calculate the volume that could fill the inside of the drum:

a)1357cm3
b)2120cm3
c)3054cm3
d)5429cm3
e)8482cm3
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