P1 10.5 Surface Area of Pyramids and Cones

How do you find the total surface area of a cone?

•  $\pi rl$  

•  $\pi rl+\pi r^2$  

•  $\frac{1}{2}Pl$ 

•  $\frac{1}{2}Pl+B$ 

Tags

CCSS.HSG.GMD.A.1

Find the surface area of each figure.

• a

• b

• c

• d

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.MG.A.1

A paper party hat, like the one shown, has a slant height of 6 inches and a radius of 5 inches. How many square inches of cardboard would be needed to create this hat?

• 94.25 in.²

• 172.79 in.²

• 50 in.²

• 22.5 in.²

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

Find the surface area of the figure.

Round your answer to the nearest hundredth.

• 542.87 $mm^2$

• 271. 44 $mm^2$

• 221.06 $mm^2$

• 442.12 $mm^2$

Tags

CCSS.HSG.MG.A.1

Find the total surface area of the figure.

• 353.43 $mm^2$

• 833.67 $mm^2$

• 176.7 $mm^2$

• 566.76 $mm^2$

Tags

CCSS.7.G.B.6

What does the l in the cone and pyramid surface area formulas represent?

• Slant Height

• Height

• Length

• Perimeter

Tags

CCSS.HSG.GMD.A.1

Both the pyramid and cone have a what?

• Slant height

• Circular base

• Triangular base

• Rectangular face

How do you find the total surface area of a pyramid?

•  $\pi rl$  

•  $\pi rl+\pi r^2$  

•  $\frac{1}{2}Pl$ 

•  $\frac{1}{2}Pl+B$ 

Tags

CCSS.HSG.GMD.A.1

Find the surface area of each figure.

• a

• b

• c

• d

Tags

CCSS.7.G.B.6

What is the height of the base of this triangular pyramid?

• 198.9 sq. inches

• 9 inches

• 13 inches

• 7.8 inches

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.GMD.A.3