1 & 2) what are the surface areas? please explain.
2 answers:
To find the surface area of a cylinder, use the formula SA = 2(pi)(radius^2) + 2(pi)(radius)(height). So now, plug in what you know. SA = 2(3.14)(5^2) + 2(3.14)(5)(9) SA = (6.28)(25) + (6.28)(45) SA = 157 + 282.6 SA = 439.6 square cm 439.6 square cm is your surface area
To find the surface area of a cylinder, use the formula SA = 2(pi)(radius^2) + 2(pi)(radius)(height). So now, plug in what you know. SA = 2(3.14)(5^2) + 2(3.14)(5)(9) SA = (6.28)(25) + (6.28)(45) SA = 157 + 282.6 SA = 439.6 square cm <span>439.6 square cm is your surface area Hope this helps.</span>
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