Surface Area of Triangular Pyramid

Find the surface area of the triangular pyramid.

• 123.6 sq. feet

• 116.8 sq. feet

• 127.9 sq. feet

• 130.9 sq. feet

What is the surface area of this triangular pyramid?

• 198.9 sq. inches

• 205.6 sq. inches

• 187.9 sq. inches

• 210.6 sq. inches

Find the surface area of a triangular pyramid with base lengths of 10 and base height of 8.7 and slant height of 14.

• 609 m²

• 210 m²

• 297 m²

• 253.5 m²

Find the total surface area of the following triangular pyramid. Each triangle is congruent, with a base of 7 ft. and a height of 6ft.

• 168 ft²

• 126 ft²

• 84 ft²

• 42 ft²

Haley is creating a model of the Great Pyramid for a project. The base is square with a side length of 5.5 inches and is 8.4 inches high. The slant height of each triangular face is 8.9 inches. PART A: Label the correct dimensions from her model's net. PART B: Drag the total surface area to the bottom right where the arrow is pointing.

f

a

g

8.9 in.

215.05 square in.

128.15 square in.

43.3 square in.

5.5 in.

30.25 square in.

8.4 in.

Tags

MA.6.GR.2.4

The lateral surface area of the pyramid is ​ (a)   square centimeters (All sides except the base).

The total surface area of the pyramid is ​ (b)   square centimeters.​

• 160

• 224

• 320

• 384

The lateral surface area is.....

Mathematical Equivalence

ON

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• 15m²

• 16m²

• 18m²

• 20m²

Find the total surface of the figure. (all triangles are congruent)

• 30 in²

• 15 in²

• 45 in²

• 60 in²

What is the surface area of the triangular pyramid?

• 105.9

• 90.3

• 74.7

• 99.6