Which ordered pair is a solution of the equation?
1 answer:
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Answer:
Cr = 10
Step-by-step explanation:
To calculate combinations we use the nCr formula: nCr = n! / r! * (n - r)!, where n = number of items, and r = number of items being chosen at a time.
[RevyBreeze]
First find height using Pythagorean theorem.
.
Then use cone surface area formula and compute the result:
.
Hope this helps.