12.5 pd 3
12.5 volume of cones and pyramids
https://www.youtube.com/watch?v=xZyxO8hXj08
If a square-based prism and a square-based pyramid have
the same height, and the same base area, how do their
volumes compare?
April 17, 2017
April 17, 2017
12.5 pd 3
V(pyramid) = 1/3 BASE AREA times height
the base edge is 20 and the
slant height is 26, find the
volume of the square pyramid
the base is a right triangle with
lengths 7, 24, 25. The altitude of the
pyramid is 30. Find the volume.
April 17, 2017
12.5 pd 3
h= 19. The base edge is 8. Find the
volume and the surface area. (round to
nearest hundredth)
The area of one lateral face of the
regular hexogonal pyramid is 24 3
The base edge is 4. Find the volume
and the surface area of the pyramid in
exact form.
April 17, 2017
12.5 pd 3
If a cylinder and a cone have
the same base area and the
same height, how do their
volumes compare?
April 17, 2017
12.5 pd 3
60 degrees
radius is 10 . Find the volume
and the surface area.
Suppose you roll the figure into a cone. If the
open angle is 135 degrees and the length
135
x
0
marked x is 12, What would the volume and
surface area be?
April 17, 2017
12.5 pd 3
what is the volume of the frustum pictured if the bottom
base has radius 9 and the top base has area 16 pi
36
what is the surface area of the frustum?