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Explanation The shape in question does not have any sides. It appears to be a circle, which is a closed curve with no straight sides. Therefore, the correct answer is 0.
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4.
How many sides does this shape have?
A.
3
B.
4
C.
5
D.
6
Correct Answer C. 5
Explanation The shape in question has five sides.
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5.
How many corners does this shape have?
Correct Answer 6 six
Explanation The shape in question has six corners.
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6.
Which of these objects are triangular prisms?
Correct Answer a+e a + e a and e a e e a e and a ae ea e+a
7.
Which of these objects is a cylinder?
Correct Answer d d
8.
Which of these objects are triangular pyramids?
Correct Answer b f bf fb f b b + f b+f b and f f and b f+b bandf
Explanation The objects that are triangular pyramids are represented by the combinations "b f", "bf", "fb", "f b", "b+f", "b and f", "f and b", "f+b", and "bandf".
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9.
How many vertices does this shape have?
Correct Answer 5 five
Explanation The shape has five vertices.
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10.
How many edges does this shape have?
Correct Answer 9 nine
Explanation The shape in question has a total of 9 edges.
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11.
Select the objects that are spheres:
A.
A
B.
B
C.
C
D.
D
E.
E
Correct Answer(s) B. B D. D
Explanation Objects B and D are spheres because they have a round shape with no edges or corners. A sphere is a three-dimensional shape that is perfectly symmetrical, with all points on its surface equidistant from its center. Objects A, C, and E do not have a spherical shape, so they are not the correct answer.
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12.
What type of shape will this net create?
A.
A cube
B.
A triangular prism
C.
A triangular pyramid
D.
A rectangular pyramid
Correct Answer C. A triangular pyramid
Explanation The net shown in the question consists of three triangular faces meeting at a single vertex. This configuration is characteristic of a triangular pyramid, also known as a tetrahedron. Therefore, the correct answer is a triangular pyramid.
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13.
A.
A) triangular prism b) square-based pyramid
B.
A) rectangular prism b) square-based pyramid
C.
A) square-based pyramid b) triangular prism
D.
A) square-based pyramid b) rectangular prism
Correct Answer C. A) square-based pyramid b) triangular prism
14.
Is this polygon regular?
A.
Yes
B.
No
Correct Answer A. Yes
Explanation A regular polygon is a polygon that has all sides and angles equal. Since the question does not provide any information about the polygon, we cannot determine its properties. Therefore, it is not possible to say with certainty whether the polygon is regular or not.
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15.
Which of these angles are smaller than 90 degrees:
A.
A
B.
B
C.
C
D.
D
E.
E
F.
F
Correct Answer(s) C. C F. F
Explanation Angles C and F are smaller than 90 degrees because the given question asks for angles that are smaller than 90 degrees. Therefore, based on the information provided, angles C and F meet this criterion as they are less than 90 degrees.
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16.
Which of these angles is a right-angle?
A.
A
B.
B
C.
C
D.
D
E.
E
F.
F
Correct Answer(s) A. A D. D
Explanation Angles A and D are right angles because they both measure 90 degrees. In a right angle, one side is perpendicular to the other, forming a 90-degree angle. Therefore, angles A and D fit this definition and are considered right angles.
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17.
Which of these angles is obtuse?
A.
A
B.
B
C.
C
D.
D
Correct Answer C. C
Explanation Angle C is the correct answer because an obtuse angle is any angle that measures greater than 90 degrees but less than 180 degrees.
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18.
Which of these angles is acute?
A.
A
B.
B
C.
C
D.
D
Correct Answer B. B
Explanation Angle B is acute because it measures less than 90 degrees. In a triangle, an acute angle is defined as an angle that is less than 90 degrees. Since angle B is smaller than 90 degrees, it is considered acute.
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19.
What object is in the tray, fifth from left in the back row?
A.
Frog
B.
Ring
C.
Pencil
D.
Dice
Correct Answer D. Dice
Explanation The correct answer is "Dice" because it is the fifth object from the left in the back row.
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20.
What objects is in the tray, second from left in the middle row?
A.
Frog
B.
Ring
C.
Pencil
D.
Dice
Correct Answer A. Frog
Explanation The correct answer is Frog.
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