AnswersECASD - Geometry A - CRArea of Composite Figures

Three-Dimensional Figures and Cross Sections Answers

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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

A
cone
B
cylinder
C
triangular prism
D
triangular pyramid
E
square pyramid
2
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The triangle shown is rotated about line m.

Question illustration
A
38 sq. cm
B
113 sq. cm
C
201 sq. cm
D
314 sq. cm
3

A cylinder is shown.

Question illustration
A
line
B
non-square rectangle
C
circle
D
square
4

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

Question illustration
A
D and E
B
B and D
C
C and F
D
G and H
5

Which shape has a vertex that is also an apex?

A
sphere
B
prism
C
cylinder
D
pyramid
6

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.

Question illustration
A
1
B
2
C
4
D
5
7

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

A
hexagonal prism
B
octagonal pyramid
C
rectangular prism
D
pentagonal pyramid
8

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

Question illustration
A
a cylinder with a circumference of about 63 mm
B
a cylinder with a circumference of about 126 mm
C
a cone with a base circumference of about 63 mm
D
a cone with a base circumference of about 126 mm
9

Which three-dimensional figure has nine edges?

A
rectangular prism
B
rectangular pyramid
C
triangular prism
D
triangular pyramid
10

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

A
triangular prism and triangular pyramid
B
triangular prism and rectangular prism
C
rectangular pyramid and triangular pyramid
D
rectangular pyramid and rectangular prism

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