3 years ago

What is the surface area of the cone.? Slant height:12mm Radius:3mm

1 answer:

4 0

I think the surface area would be 148.31mm squared
See the attachment below
Thanks.

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butalik [34]

Answer: B I think I hope it helps

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iren [92.7K]

Answer:

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gladu [14]

Answer:

2/5

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hammer [34]

Answer:

The Answer is : x= -12

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$4x-2(x+1)=3x+10\\4x-2x-2=3x+10\\2x-2=3x+10\\2x-3x=10+2\\-x=12\\x=-12$

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2 years ago

amid [387]

You can use Pythagoras theorem to find the radius.

r^2 + 8^2 = 10^2

r^2 + 64 = 100

r^2 = 36

r = 6

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2 years ago