Three-Dimensional Figures and Cross Sections

Question 1

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 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

How many vertices does a triangular prism have?

Revolt · Accepted Answer

6

Question 5

Which shape has a vertex that is also an apex?

Revolt · Accepted Answer

pyramid

Question 6

Which three-dimensional figure has the greatest number of faces?

Revolt · Accepted Answer

octagonal pyramid

Question 7

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

Question 8

Quadrilateral ABDE is a rectangle. AB = 10 cm and AE = 16 cm.

Revolt · Accepted Answer

G and H

Question 9

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

Revolt · Accepted Answer

rectangular pyramid and triangular pyramid

Question 10

The perimeter of the rectangle shown is 76 cm. It is rotated about line b.

Revolt · Accepted Answer

a cylinder with a base radius of 14 cm

Three-Dimensional Figures and Cross Sections Answers

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