Find the surface area of this sphere:
it's four times the area of the center circle
400π cm2 or ≈ 1256 cm2
Find the surface area of this cone.
you are given the diameter, not the radius
40.2π cm2 or ≈ 126.23 cm2
Make it rain.
The who, what, where, when, and why of all your favorite quotes.
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danielnieh 6 minutes ago
Hello daniel. i am daniel. i would like to eat some cake because I'm hungry.
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this is my message bubble. i like to ride motorcycles because i eat chocolate.
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