You found the surface area of a cube. Which units would be appropriate?
in
in2
in3
in4
3. Multiple Choice
2 minutes
1 pt
The formula for the surface area of a cube is 6s2 Jack plugs in 8 for the length of of the cube. He multiplies 6 by 8. Then he "squares" 48 to get 2304. What mistake, if any, did he make?
He should have doubled 48.
He should have squared 8 before multiplying by 6.
He should have squared 6.
He did not make a mistake.
4. Multiple Choice
30 seconds
1 pt
What does the red line represent?
Radius
Diameter
Circumference
Area
5. Multiple Choice
30 seconds
1 pt
If the diameter of a circle is 19 inches, what is the radius?
38 inches
9.5 inches
59.66 inches
119.32 inches
6. Multiple Choice
2 minutes
1 pt
Find the circumference (to the nearest whole number)
88 in
44 in
116 square in
None of the above
7. Multiple Choice
2 minutes
1 pt
What is the area of this circle?
62.59
113.1
19.81
28.26
8. Multiple Choice
2 minutes
1 pt
What is the area of this circle?
8322.13
1133.54
4536.46
1267.09
9. Multiple Choice
2 minutes
1 pt
The following shape is composed of a rectangle and a half circle. What is the total area of the shape?
10. Multiple Choice
1 minute
1 pt
A cube is measured at 4 cm in length, what is the surface area?