exam Maths Puzzle Numerical Ability

How do you do surface area if you have a cylinder?
How do you do surface area if you have a rectangle?

Can someone show me some examples? THANKS A LOT!!!

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exam Other Question

solving rational equations: solve and check. 4 sep problems
a/2a-6 - 3/a^2-6a+9 = a-2/3a-9

5/y+3 = 1/4y^2-36 + 2/y-3

4/x+3 + 7/x^2-3x+9 = 108/x^3+27

x-1/3 + 6x+1/15 + 2(x-2)/13-7x = 2(x+2)/5
well done write an equation that contains the points (2,-1) and (-5,-1)?