Questions 11–15 of 15. Imported answers require independent review unless marked reviewed.

Topic practice 15 questionsPage 2 of 2

Question 7

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A jigsaw puzzle has 2 pieces. One of the pieces is shown above. Which one of the given options for the missing piece when assembled will form a rectangle? The piece can be moved, rotated or flipped to assemble with the above piece.
Diagram for Mechanical Engineering question 7

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Question 9

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Consider a square sheet of side 1 unit. The sheet is first folded along the main diagonal. This is followed by a fold along its line of symmetry. The resulting folded shape is again folded along its line of symmetry. The area of each face of the final folded shape, in square units, equal to
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Question 18

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The transformation matrix for mirroring a point in

plane about the line

is given by
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Question 9

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Which of the following functions describe the graph shown in the below figure?
Diagram for Mechanical Engineering question 9

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Question 58

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A right-angled cone (with base radius 5 cm and height 12 cm), as shown in the figure below
Diagram for Mechanical Engineering question 58

, is rolled on the ground keeping the point P fixed until the point Q (at the base of the cone, as shown) touches the ground again.
By what angle (in radians) about P does the cone travel?
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