AnswersGrade 7 MathematicsSurface Area of Composite Figures

Surface Area of Composite Figures — Quiz Answers

10 verified answers2 views
1
Free Preview

Which statement best describes her work?

A
Helen’s net is incorrect because she treated the figure as a single rectangular pyramid instead of a composite shape.
B
Helen’s net is correct because she included the front, back, left, right, and bottom faces of the solid.
C
Helen’s net is correct because she reorganized the solid as a triangular prism.
D
Helen’s net is incorrect because she forgot to include the shared rectangular face where the upper and lower solids are joined together.
2
Free Preview

What is the total surface area of the composite solid?

A
1,080 square inches
B
1,152 square inches
C
792 square inches
D
936 square inches
3

What error did Devon make?

A
He included the 34 by 20 base of the figure.
B
He used 26 instead of 24 as the slant height of one set of lateral faces.
C
He omitted the rectangle where the upper and lower solids join together.
D
He believed the upper part of the figure was a pyramid instead of a prism.
4

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

A
8 times open paren 1 half 24 5 close paren
B
8 times open paren 1 half 24 13 close paren
C
24 times 24 plus 8 times open paren 1 half 24 5 close paren
D
24 times 24 plus 8 times open paren 1 half 24 13 close paren
5

What statement best describes Kayla’s error?

A
She left out one of faces of the solid. She should have simplified 2 times open paren 5 times 7 close paren plus 2 times open paren 6 times 7 close paren plus 2 times open paren 1 half 5 9 point 3 close paren plus 2 times open paren 1 half 6 9 point 2 close paren plus 5 times 6 .
B
She used the wrong expression for the lateral faces of the solid and left out the base of the figure. She should have simplified 2 times open paren 1 half 5 open paren 7 plus 9 point 3 close paren close paren plus 2 times open paren 1 half 6 open paren 7 plus 9 point 2 close paren close paren plus 5 times 6 .
C
She used the wrong expression for the lateral faces of the solid. She should have simplified 2 times open paren 1 half 5 open paren 7 plus 9 point 3 close paren close paren plus 2 times open paren 1 half 6 open paren 7 plus 9 point 2 close paren close paren .
D
She included the face where the pyramid and prism are joined together. She should have simplified 2 times open paren 5 times 7 close paren plus 2 times open paren 6 times 7 close paren plus 2 times open paren 1 half 5 9 point 3 close paren plus 2 times open paren 1 half 6 9 point 2 close paren minus 2 times open paren 5 times 6 close paren .
6

What is the total surface area of the solid?

A
558 square centimeters
B
982 square centimeters
C
842 square centimeters
D
702 square centimeters
7

What is the surface area of the figure?

A
1 comma 175 cm squared
B
2 comma 050 cm squared
C
1 comma 325 cm squared
D
1 comma 020 cm squared
8

What is the surface area of the composite solid?

A
1 comma 658 m squared
B
1 comma 808 m squared
C
1 comma 508 m squared
D
1 comma 958 m squared
9

What is the total surface area of the solid?

A
1114 point 4 square millimeters
B
1004 point 4 square millimeters
C
1466 point 4 square millimeters
D
1290 point 4 square millimeters
10

What is the surface area of the composite solid?

A
119 m squared
B
146 m squared
C
162 m squared
D
174 m squared

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Quiz

Quiz
20 verified answers

Quiz

Quiz
10 verified answers

Quiz

Surface Area of Composite Figures — Quiz Answers…