## anonymous one year ago What is the surface area of the composite figure? (Use 3.14 for π.) 753.6 in.^2 954.56 in.^2 1,155.52 in.^2 1,356.48 in.^2

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1. anonymous

|dw:1434463547779:dw|

2. freckles

I think the bottom one is a cylinder? But I don't know what that thing is next to it? is that 5V? Also it looks like you have a semicircle on top with radius 8 in.

3. anonymous

7in

4. freckles

And that really is a semicircle on top of a cyclinder right ?

5. freckles

the surface area of a cylinder can be found by:$A=2 \pi r h+2\pi r^2$ where this r is the radius of the base of the cylinder and if you really meant to put a semicircle on top of the cylinder then you will also need: $\frac{1}{2} \pi r^2$ where this r is the radius of the circle