Surface Area of Pyramids and Cones

Surface Area of Pyramids & Cones

Surface Area of Pyramids

Identify the following:

Surface Area of Pyramids

Shape of the base: ________

Slant height: _______

Perimeter of base: _______

Area of base: _______

Calculate the Surface Area of the Pyramid:

Surface Area of Pyramids

SA = B + 1/2 Pl

Multiple Choice

Determine the surface area

• 26.2 in²

• 22.8 in²

• 19.8 in²

• 28.5 in²

Multiple Choice

Determine the surface area

• 16.8 mi²

• 22.9 mi²

• 19.8 mi²

• 10.7 mi²

Identify the following:

Surface Area of Cones

Slant height: _______

Shape of base: _______

Area of base: _______

Perimeter of base: _______

Identify the following:

Surface Area of Cones

Shape of the base: ___________

Slant height: _______

Perimeter of base: _______

Area of base: _______

Calculate the Surface Area of the Cone:

Surface Area of Cones

SA = B + L = Πr² + Πrl

Multiple Choice

Determine the surface area

• 822.78 in²

• 679.68 in²

• 1137.36 in²

• 1122.41 in²

Multiple Choice

Determine the surface area

• 365.68 cm²

• 405.45 cm²

• 957.56 cm²

• 363.08 cm²

Poll

How confident do you feel about finding the surface area of pyramids and cones?

• I got this! 🏌

• I’m almost there! 😎

• I need help with using the formulas. 👆

• How do you do this again? 😴

Surface Area of Similar Figures

Surface Area of Similar Figures

​Example:

Multiple Choice

If two figures are similar, their surface area ratio is ...?

• the same

• squared

• cubed

• twice as much

Fill in the Blank

Find the surface area of the larger solid.

Enter a number only.

Multiple Choice

What is the surface area of the larger solid?

• 50 ft²

• 45 ft²

• 81 ft²

• 225 ft²

Surface Area of Composite Figures

Surface Area of Composite Figures

​Find the surface area of the composite figure.

Multiple Choice

What is the surface area of the composite solid?

• 216 m2

• 248 m2

• 256 m2

• 224 m2

Multiple Select

Which shapes could you use to build this? Pick 2 shapes.

Fill in the Blank

What is the surface area of the composite figure? Use Π and round your answer to the nearest tenths.

.

Class Assignment…

Big Ideas Math

Complete: Surface Area of Pyramids and Cones