Surface Area of Pyramids Warmup

Name this figure.

• Square Pyramid

• Triangular Prisim

• Square Prisim

• Triangular Pyramid

Answer explanation

The correct name for this figure is Square Pyramid because it has a square base and four triangular faces that meet at a single point (apex).

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Find the surface area of the regular pyramid.

• 20 m²

• 16 m²

• 24 m²

• 12 m²

Answer explanation

The surface area of a regular pyramid is calculated by adding the area of the base to the area of the lateral faces. In this case, the surface area is 20 m^2.

Tags

CCSS.7.G.B.6

What is the LATERAL surface area?

• 12 mm²

• 6 mm²

• 24 mm²

• 40 mm²

Answer explanation

The lateral surface area is the surface area of the sides of a 3D object. In this case, the lateral surface area is 24 mm^2, which is the correct answer choice.

Tags

CCSS.7.G.B.6

What is the LATERAL surface area?

• 20 ft²

• 10 ft²

• 40 ft²

• 65 ft²

Answer explanation

The lateral surface area is the area of the sides of a 3D shape. In this case, the lateral surface area is 40 ft^2, which is the correct choice.

Tags

CCSS.7.G.B.6

What is the TOTAL surface area?

• 40 ft²

• 20 ft²

• 25 ft²

• 65 ft²

Answer explanation

The correct answer is 65 ft^2 because it represents the total surface area of the object being discussed.

Tags

CCSS.7.G.B.6

How do I find LATERAL surface area?

• Add all of the sides (triangles) together

• Add all of the sides (triangles) and the base (square) together

• Add the bases (squares) together

• Circle the word lateral on my paper

Answer explanation

Add all of the sides (triangles) together

Tags

CCSS.7.G.B.6

How do I find TOTAL surface area?

• Add all of the sides (triangles) together

• Add all of the bases (squares) together

• Add all of the sides (triangles) and the base (square) together

• Circle total on my paper

Answer explanation

Add all of the sides (triangles) and the base (square) together to find the TOTAL surface area.

Tags

CCSS.7.G.B.6