Pre-Algebra Examples

Step 1
The surface area of a cone is equal to the area of the base plus the area of the cone.
Step 2
Substitute the values of the length and height into the formula. Pi is approximately equal to .
Step 3
Move to the left of .
Step 4
Simplify each term.
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Raise to the power of .
Raise to the power of .
Add and .
Rewrite as .
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Factor out of .
Rewrite as .
Pull terms out from under the radical.
Step 5
Simplify by multiplying through.
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Apply the distributive property.
Multiply.
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Multiply by .
Multiply by .
Step 6
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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