Section 8.1(Khoa)
Section 8.2(Madison)
Section 8.3(Paul)
Section 8.4(Gary)
More Questions (Isabella)
100
Find the radius of the given diameter:

20 ft.


What is 10 ft?


r= 20/2


100
Find the perimeter of the following figure with measurements of: (in units)

8(1.5)

4(2)

What is 20 units?


8(1.5)+4(2)= 20



100
Area of a circle with a diameter of 14 cm.



21st Step: Radius(r)= 14/2=7

2nd Step: Area(a)= 3.14(7)^2

What is 153.86 sq. cm?

100

Find the area of a composite figure with the measurements of:

Right Triangle (x2): 6 x 8


Rectangle #1: 4 x 7


Rectangle #2: 19 x 8

What is 132 sq. cm?



a= 6(8)(2)/2 + 4(7) + 19(8)

100
Find the diameter of the following radius: 

7 cm


What is 14 cm?

 

7(2)

200
Find the diameter of the given radius:

7 cm.

What is 14 cm?


d= 7(2)

200
What is the perimeter of a figure with measurements of:(in units)


12(1.5)

What is 18 units?


12(1.5)= 18

200
The area of a circle with a radius of .25 m.

What is .19625?


A= 3.14(.25)^2

200

Find the area of a rectangle with the measurements of:

Rectangle: 7cm x 5cm

What is 35 sq. cm?



a= 7(5)

200
Find the area of a circle of the following radius:

9cm

What is 253.34 sq. cm?


a= 3.14(9)^2

300
Find the circumference of a circle with a radius of 5 in.


What is 31.4 in?


C= 2(3.14)5

300
What is the perimeter of a figure with measurements of: (units in cm)

7(2) | 5(3) | 11 | 16

What is 56 cm?


7(2)+5(3)+11+16= 56

300
Area of a semicircle with a diameter of 2.25 in.
What is 1.987(03125) sq. in?


r= 2.25/2 = 1.125

a= 3.14(1.125)^2/2 = 1.987(03125) appx.

300

Find the area of a triangle with measurements of:

Triangle: 7cm x 5cm

What is 17.5 sq. cm?



a= 7(5)/2

300
Find the radius using this diameter:

9cm

What is 4.5 cm?


9/2= 4.5

400
Find the circumference of the SEMICIRCLE with a diameter of 6 in.
What is 15.42 in?


C= 3.14(6)/2

9.42+6= 15.42

400
What is the perimeter of a figure with the following measurements of: (measurements in inches)

4(3) | 3 | 5

What is 20 in?


4(3)+3+5= 20

400
How would you find the area of a tortilla with it's given diameter, 12 in?
What is 113.04 sq. in?


r= 12/2

a= 3.14(6)^2 = 113.04

400

What is the area of a square with measurements of:

Square: 22cm x 22cm

What is 484 sq. cm?



a= 22(22)

400
Find the area of a semicircle with a diameter of:

4cm

What is 12.56 sq. cm?


r= 4/2=2

a=3.14(2)^2= 25.12

500
Find the circumference of a SEMICIRCLE with a radius of 7 in.
What is 35.98 in?


C= 2(3.14)7/2

21.98+7(2)= 35.98

500
What is the perimeter of a figure with measurements of: (units in cm)

6 | 9.5 | 4 | 5 | 6.5

What is 31 cm?


6+9.5+4+5+6.5= 31

500
Explain how to find the radius of a circle with a diameter of 1.625 in? Include the radius with your answer.
You would write r= 1.625/2. 

The radius of the circle is .8125 in.

500

What is the area of a composite figure with measurements of:

Square: 2cm x 4cm


Triangle: 9cm x 10cm

What is 53 sq. cm?



a= 2(4) + 9(10)/2

500
Find the area of a circle with a radius of:

.75 cm

What is 1.76625 sq. cm?


3.14(.75)^2