9th
-
12th
grade

Mathematics

76%

accuracy

123

plays

Andrea Gennaro

3 years

Mathematics

9th -

12thgrade

Surface Area of Spheres

Andrea Gennaro

123
plays

10 questions

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1. Multiple Choice
3 minutes
1 pt
What is the surface area?
6658.56 mm²
452.16 mm²
904.32 mm²
108.8 mm²
2. Multiple Choice
2 minutes
1 pt
For a sphere with a radius of 8, what is the Surface Area?
803.84
10096.2304
2143.573
100.48
3. Multiple Choice
5 minutes
1 pt
Find the surface area of the sphere, given diameter is 10.
314.16 in²
314 in²
166.67 in²
521.24 in²
4. Multiple Choice
30 seconds
1 pt
Find the surface area when r=25cm.
remember to look at the units!!!!
2500 cm²
2500 cm³
7850 cm²
7850 cm³
5. Multiple Choice
30 seconds
1 pt
What is the surface area of a baseball with a 3 inch diameter. Use 3.14 for pi.
***remember to find r first!!!!
28.3 in²
113.04 in²
18.84 in ²
6. Multiple Choice
30 seconds
1 pt
Find the surface area when r=21.5 inches.
Choose the correct units.
5805.9 in²
1849 in²
1849 in³
5805.9 in³
7. Multiple Choice
30 seconds
1 pt
Find the surface area of the figure.
Round your answer to the nearest hundredth.
Use the formula: $SA=4\pi r^2$
1,520.53 $cm^2$
760.27 $cm^2$
379.94 $cm^2$
759.88 $cm^2$
8. Multiple Choice
30 seconds
1 pt
Find the surface area of the figure. Where the diameter is 8.6 ft.
Round your answer to the nearest hundredth.
Use the formula: $SA=4\pi r^2$
232.35 $ft^2$
116.18 $ft^2$
928.94 $ft^2$
58.06 $ft^2$
9. Multiple Choice
30 seconds
1 pt
Find the surface area of the sphere
11494.04cm²
2463.01cm²
1436.76cm²
615.75cm²
10. Multiple Choice
30 seconds
1 pt
Which formula calculates the surface area of a sphere?
$\frac{4}{3}\pi r^3$
$4\pi r^2$
$\frac{1}{3}\pi r^3$
$\pi r^2$
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Surface Area of Spheres

9th - 12thgrade

Mathematics

Mathematics

9th -

12thgrade

Surface Area of Spheres

123 plays

10 questions

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9th
-
12th
grade

123
plays