Homework Help: math

Posted by tia on Tuesday, October 19, 2010 at 12:28pm.

the diagram below represents a drinking glass of diameter 10cm. it is partially filled to a height of hcm with apple juice.

(a) using 3.14 give an expression in term of h for the volume of juice.

the actual volume of the juice is 0.471 litres.

(b) calculate the value of h.( 1 litre = 1000 cm3

math - PsyDAG, Wednesday, October 20, 2010 at 1:46pm
V = 3.14 * r^2 * h

Radius = 1/2 diameter

471 cm^3 = 3.14 * 5^2 * h

Solve for h.

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