Three-Dimensional Figures and Cross Sections

Question 1

Which pair of figures has the same number of faces as vertices?

Revolt · Accepted Answer

rectangular pyramid and triangular pyramid

Question 2

Quadrilateral ABDE is a rectangle. DE = 4 in. and BD = 6 in.If the rectangle is rotated about a line through CF, cylinder Y is created. If the rectangle is rotated about a line through GH, cylinder Z is created.

Revolt · Accepted Answer

1

Question 3

Which three-dimensional figure has exactly three rectangular faces?

Revolt · Accepted Answer

triangular prism

Question 4

The rectangle shown is rotated about line k.

Revolt · Accepted Answer

79 sq. in.

Question 5

Which three-dimensional figure has nine edges?

Revolt · Accepted Answer

triangular prism

Question 6

The area of rectangle ABDE is 270 square inches. The rectangle is rotated about a line that passes through points C and F.

Revolt · Accepted Answer

a cylinder with a base radius of 9 inches

Question 7

A cylinder is shown.

Revolt · Accepted Answer

circle

Question 8

The triangle shown is rotated about line m.

Revolt · Accepted Answer

113 sq. cm

Question 9

Two different cross sections are taken parallel to the base of a three-dimensional figure. The two cross sections are the same shape, but are not congruent.Which could be the three-dimensional figure? Select three options.conecylindertriangular prismtriangular pyramidsquare pyramid

Question 10

The equilateral triangle shown is rotated about line a. Each side of the triangle measures 20 mm.

Revolt · Accepted Answer

a cone with a base circumference of about 63 mm

Three-Dimensional Figures and Cross Sections Answers

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