Drag and drop the answers into the boxes to complete this informal argument explaining how to derive the formula for the volume
of a cone.
1 answer:
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We must find the radius so we can plug this into the formula for surface area.
Circumference =
We are going to plug this in as our radius for the most accurate answer.
The surface area of a sphere is
Surface Area =
≈ 451.93 units
Circumference =
We are going to plug this in as our radius for the most accurate answer.
The surface area of a sphere is
Surface Area =
Answer:
x = -1, x = 1
Step-by-step explanation:
Factor the equation. (It's a difference of squares, so we know the form will be (a-b)(a+b).)
Test this by FOILing it out, if you're unsure. This is something it can be good to memorize!
Set it equal to 0.
Separate the two parenthetical expressions by the Zero Product Property.
Solve for x!