A cylinder has a volume of 24 cubic feet. Which of the following could have the same radius and height as the cylinder? A A cone
1 answer:
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The first choice gives you the same result. The factor of 5 can be removed to the outside of the summation symbol.
Answer:
Step-by-step explanation:
We can prove that a tangent will always be perpendicular to the radius touching it. So, the other angle in the diagram is .
Because all the angles of a triangle sum to , we have that
.
We combine like terms on the left side to get .
We subtract on both sides to get
.
So, and we're done!