Surface Area of Composite Figures

Question 1

Gio is studying the rectangular pyramid below. He believes the surface area, in square millimeters, can be found by simplifying this expression.What error is Gio making?

Revolt · Accepted Answer

He used an expression for surface area that did not include all the faces.

Question 2

Which expression represents the total surface area, in square centimeters, of the square pyramid?

Revolt · Accepted Answer

(8.2) (8.2) + 4 (one-half (8.2) (10.3))

Question 3

The net below can be folded to form a square pyramid.What is the surface area of the pyramid?

Revolt · Accepted Answer

190.8 square inches

Question 4

What is the surface area of the rectangular pyramid below?

Revolt · Accepted Answer

593.8 ft2

Question 5

Which statements are true about the rectangular pyramid below? Select three options.

Revolt · Accepted Answer

The area of the base is 24 cm2.; There are four lateral faces.; The total surface area of the figure is 66.4 cm2.

Question 6

Cece is finding the surface area of a square pyramid by finding the sum of the areas of its faces. Which statement best describes the faces of the pyramid?

Revolt · Accepted Answer

one square and four triangles

Question 7

What is the total surface area of the square pyramid?__________ square inches

Revolt · Accepted Answer

144

Question 8

What is the surface area of a square pyramid if the base has an area of 16 cm2 and the lateral faces have a slant height of 12 cm?

Revolt · Accepted Answer

112 cm2

Question 9

What is the total surface area of this rectangular pyramid?_____________ square feet

Revolt · Accepted Answer

225

Question 10

What is the surface area of the square pyramid below?

Revolt · Accepted Answer

156 cm2

Surface Area of Composite Figures Answers

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