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OpenStudy (anonymous):
What is the surface area of a cone with a radius of 6 centimeters and a slant height of 9 centimeters? Use three point one four for pi.
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OpenStudy (anonymous):
Plez help!
OpenStudy (amistre64):
a cone can be made by cutting out a wedge from a circle and folding ....|dw:1368622720776:dw|
OpenStudy (amistre64):
the area of a circle is: pi r^2 the circumference of a circle is: 2pi r we can use these to find the lateral area we need, and then add in the base are of the cone
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