Find the surface area of a cone.

8635 m^{2}

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86.35 m^{2}

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0.8635 m

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8.635 m^{2}

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Solution

The correct option is D $8.635 m^{2}$
Surface area of a cone $= π r s + π r^{2}$

$= 3.14 \times \frac{1}{2} \times 5 + 3.14 \times \frac{1}{2} \times \frac{1}{2}$

$= 7.85 + 0.785$

$= 8.635 m^{2}$

So, option D is correct.

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Find the surface area of a cone.

The correct option is D 8.635 m2Surface area of a cone =πrs+πr2=3.14×12×5+3.14×12×12=7.85+0.785=8.635m2So, option D is correct.

The correct option is D $8.635 m^{2}$
Surface area of a cone $= π r s + π r^{2}$

$= 3.14 \times \frac{1}{2} \times 5 + 3.14 \times \frac{1}{2} \times \frac{1}{2}$

$= 7.85 + 0.785$

$= 8.635 m^{2}$

So, option D is correct.