Surface Area of Triangular Prisms and Pyramids

The base of the triangle is 5 inches. The length of the rectangle is 15 inches. The height of the triangle is 10 inches. Find the surface area.

hint: draw it out and label your parts!

• 300 inches

• 200 inches

• 275 inches

Find the lateral surface area of the prism.

• 25 square inches
• 37.5 square inches
• 136 square inches
• 95.5 square inches

Tags

CCSS.7.G.B.6

What 3D solid does this net create?

• Triangular Prism
• Triangular Pyramid
• Rectangular Pyramid
• Square Prism

How do you find the surface area of a 3 dimensional object?

• Divide the area of the base by 2 and multiply by the height.
• Divide the sum of the bases and multiply by the height.
• Multiply the sum of all the faces by two.
• Find the sum of all of the areas of all of the faces.

Find the surface area of the figure.

• 108 ft²

• 192 ft²

• 96 ft²

• 128 ft²

What is the total surface area of the triangular prism shown? 

• 468 in²
• 540 in²
• 576 in²
• 700 in²

Tags

CCSS.7.G.B.6

What is the surface area?

• 119 ft²

• 97.1 ft²

• 194.2 ft²

• 388.4 ft²

Find the surface area of this net

(Be very careful about how you label your rectangular sides. Think about if you folded up the sides where all your edges would meet)

• 42 in. squared

• 54 in. squared

• 49.5 in. squared

• 61.5 in. squared

Find the surface area

• 170 cm²

• 190 cm²

• 160 cm²

• 180 cm²

Tags

CCSS.6.G.A.4

• 108 cm²

• 102 cm²

• 96 cm²

• 130 cm²