M = (x₁ + x₂)/2 , (y₁ + y₂)/2
(-1, 2) =
At this point, it is easier to separate the x's and y's into two different equations:
x's: -1 =
-2 = 3 + x
-5 = x
y's: 2 =
4 = 4 + x
0 = x
Answer: (-5, 0)
A plane intersects a sphere with a volume of about 44.6 cubic meters through the center of the sphere. What is the area of the c
1 answer:
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Think of the two pieces together as a single cone of height 19, and its volume.
Then think of only the upper piece as a cone, and find its volume.
The volume of the frustum is the total volume minus the volume of the upper piece.
The volume of a cone is:
Total volume:
Volume of upper cone:
Volume of frustum:
Then think of only the upper piece as a cone, and find its volume.
The volume of the frustum is the total volume minus the volume of the upper piece.
The volume of a cone is:
Total volume:
Volume of upper cone:
Volume of frustum: