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OpenStudy (anonymous):
What is the surface area of the right cone below? diagram below
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OpenStudy (anonymous):
OpenStudy (akashdeepdeb):
The surface area is given by the CSA = pi*r*l and its base = pi*r*r L is the slant = 13cm R is the radius = 4cm Just substitute the values given to you to find the Total surface area! Got it? :)
OpenStudy (anonymous):
i got 213.52
OpenStudy (akashdeepdeb):
It is B then! :)
OpenStudy (anonymous):
why?
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OpenStudy (akashdeepdeb):
Because 68*pi is 213.52!! :)
OpenStudy (akashdeepdeb):
It is one of your options!! :)
OpenStudy (akashdeepdeb):
Understood? :)
OpenStudy (anonymous):
ohhhhhhhhhhhhhhhhhhh got it
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