What is the surface area of this cone? Use \pi\approx3.14 and

What is the surface area of this cone?
Use $\pi \approx 3.14$ and round your answer to the nearest hundredth.

What is the surface area of this cylinder?
Use $\pi \approx 3.14$ and round your answer to the nearest hundred/
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Medicim6
(1)

Surface Area=$\pi R\left(l+R\right)$
Given: R=2mm
l=3mm
A=(3.14)(2)(3+2)
$=3.14×2×5$
$=3.14×10=31.4m{m}^{2}$
$A=31.4m{m}^{2}$

Anzante2m
(2)

Given $R=\frac{10}{2}=5\in$
h=3in
Surface Area $=2\pi R\left(R+h\right)$
$=2×3.14×5\left(5+3\right)$
$=2×3.14×5×8$
$A=3.14×80{\in }^{2}$
$A=251.2{\in }^{2}$"