Sewanhaka High School
Math 8
Per:______________
Name:___________________________________
Mrs. Lidowsky, Principal
Mr. Long, Teacher
Date:________________________
H.W. #65: Ditto
DO-NOW #65: Answer the following questions. Show work.
1) Find
2) Three times as many robins as
the
cardinals visited a bird feeder. If a
volume of total of 20 robins and cardinals
the
visited the feeder, how many were
cylinder
robins?
located at
the left.
Topic: Geometry
Main Idea: Finding the volume of cones.
Aim:
RECALL
Lists some comparisons of the cone and cylinder.
If you know how to find the volume of a cylinder, then how
would you find the volume of a cone?
With the previous conclusion that you came up with, now tell
me as to how I could find the formula for the volume of a
cone.
NOTES
3) Find the percent of change if last
month’s electric bill was $50.00
and this month’s bill is $57.20.
Drill: Answer the following questions. Show work.
1) Find the volume of the cone below:
2) What is the volume of a cone with a
radius of 6 ft and a height of 6 ft?
6’
3’
3’
3) What would happen to the volume of a cone if the radius was doubled and the height remained the same?
Summary:
If time: Find the volume of the following cones:
1) Radius of the base = 4.5 cm and height = 15 cm
2) Diameter of the base = 12 mm and height = 9.3 mm
3) Tom’s closet is 1 m wide, 2 m high, and 1.5 m deep. What is the volume of his closet?