13-2 Volumes of Pyramids & Cones
Volume:
* Refers to how much space that a figure
encloses.
1. Jay has a solid clock that is in the shape of
a square pyramid. The clock has a base
of 3 inches and a height of 7 inches. Find
the volume of the clock.
* How much can the object hold.
7 in
* Label is cubic units or u3.
3 in
Volume of a Pyramid:
V = (1/3)Bh
Volume of a Cone:
V = (1/3)Bh
V = (1/3)πr2h
B = Area of Base
h - height of prism
B = Area of Base
h = height of cone
2. Find the volume of each cone to the
nearest tenth.
b.
5 in
a.
13 in
3. Find the volume of the oblique cone to the
nearest tenth.
25 ft
10.4 in
70˚
4.2 in
13-2 Volume of Pyramids and Cones
pg 698 - 701
#7, 8, 10, 12, 14, 15, 20, 21, 25 - 27, 33,
34, 36 - 41
(19 problems)