Lesson 4 Madison’s Round Garden Develop Understanding
Find the volume and surface area for each 3-D shape.
1.
a.
Volume
b.
Surface Area
2.
a.
Volume
b.
Surface Area
3.
a.
Volume
b.
Surface Area
4.
a.
Volume
b.
Surface Area
5.
Circle
a.
What is the degree measure of arc
b.
What is the length of arc
c.
What is the ratio of the length of
6.
The circles have a radius of
Radius | Arc Length | Radian Measure of Central Angle | |
---|---|---|---|
7.
Why does the arc length increase as the radius increases, but the ratio of arc length to the radius remains the same?
8.
Each circle has a different radius. Fill in the chart with the indicated values.
Radius | Arc Length | Area of Sector | |
---|---|---|---|
9.
What is the radian measure of an angle that measures
10.
Refer to
a.
How many multiples of this arc would be needed to be equal to the length of the entire circumference of circle
b.
Would this be true for the other arcs and circles in problem 8? Explain your thinking.
Use the diagram for problems 11–13.
11.
Explain why
12.
If
13.
Find the indicated ratios.
a.
b.
c.
d.
e.
14.
The corresponding linear parts of two circles have the ratio of
Fill in the blanks.
The corresponding areas of two circles have the ratio of