Surface Area of Spheres

What is the surface area?

• 6658.56 mm²

• 452.16 mm²

• 904.32 mm²

• 108.8 mm²

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

For a sphere with a radius of 8, what is the Surface Area?

• 803.84

• 10096.2304

• 2143.573

• 100.48

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the surface area of the sphere, given diameter is 10.

• 314.16 in²

• 314 in²

• 166.67 in²

• 521.24 in²

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the surface area when r=25cm.
remember to look at the units!!!!

• 2500 cm²
• 2500 cm³
• 7850 cm²
• 7850 cm³

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

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

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the surface area when r=21.5 inches.
Choose the correct units.

• 5805.9 in²
• 1849 in²
• 1849 in³
• 5805.9 in³

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

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 $cm^2$

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

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 $ft^2$

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the surface area of the sphere

• 11494.04cm²

• 2463.01cm²

• 1436.76cm²

• 615.75cm²

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Which formula calculates the surface area of a sphere?

• $\frac{4}{3}\pi r^3$

• $4\pi r^2$

• $\frac{1}{3}\pi r^3$

• $\pi r^2$

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3