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Mathematics for IGCSE & O level - Geometrical Terms (Section 4)

1
Which of the following quadrilaterals has diagonals that are equal in length and bisect each other at right angles?
Answer
(C)
Rectangle
2
What shape is formed by a triangular base and three triangular faces?
Answer
(C)
Triangular Pyramid
3
Two lines that intersect at a 90-degree angle are:
Answer
(B)
Perpendicular
4
Which shape has faces that are all triangles?
Answer
(B)
Pyramid
5
Which 3-D shape has a circular base and a pointed apex?
Answer
(B)
Cone
6
Identify the features of a parallelogram:
Answer
A
C
7
How many faces does a square-based pyramid have?
Answer
(C)
5
8
What type of triangle has three unequal sides and three unequal angles?
Answer
(C)
Scalene
9
If two shapes are similar, what can you say about one in relation to the other?
Answer
(A)
One is an enlargement of the other.
10
Which of the following are interior angles?
Answer
(A)
Angles inside a polygon
11
Which of these are different types of quadrilaterals?
Answer
A
B
C
D
12
What type of angle measures exactly 90 degrees?
Answer
(C)
Right angle
13
What type of angle is less than 90 degrees?
Answer
(A)
Acute
14
What can a net be used to create?
Answer
(B)
A 3D object
15
What is the shape of the cross-section of a triangular prism?
Answer
(B)
Triangle
16
What is the measure of a right angle?
Answer
(C)
90 degrees
17
Which of the following statements about a square is NOT true?
Answer
(D)
Opposite sides are not parallel.
18
Which term describes the outside of a polygon?
Answer
(B)
Exterior angle
19
How many faces does a cube have?
Answer
(C)
6
20
What is the relationship between the diameter and the radius of a circle?
Answer
(B)
Diameter is twice the radius.
21
What is the name for a polygon with 6 sides?
Answer
(B)
Hexagon
22
How many faces does a triangular prism have?
Answer
(C)
5
23
What is a polyhedron?
Answer
(B)
A 3-D shape with flat faces
24
What is a solid shape with six square faces called?
Answer
(B)
Cube
25
What is a frustum?
Answer
(B)
The portion of a solid remaining after the top is cut off by a plane parallel to the base
26
What is the name of an angle between 90 and 180 degrees?
Answer
(B)
Obtuse
27
Which of the following are circle terms?
Answer
A
B
D
28
Which of the following is NOT a property of a kite?
Answer
(D)
Opposite angles are equal.
29
What type of triangle has two equal sides?
Answer
(B)
Isosceles
30
What is the name of the solid shape with a flat circular base, a curved surface, and tapers to a point?
Answer
(B)
Cone
31
What is the angle of a quarter-turn?
Answer
(B)
90 degrees
32
If a sector of a circle has an angle of 60 degrees at the center and an arc length of 4.2cm, what is the circumference?
Answer
(B)
25.2 cm
33
How many vertices does a cube have?
Answer
(C)
8
34
What is the shape of the base of a pyramid?
Answer
(C)
Any polygon
35
Which term describes a line that cuts another line in half at a 90-degree angle?
Answer
(B)
Perpendicular bisector
36
What term is used to describe lines that never intersect?
Answer
(B)
Parallel
37
Which direction is generally used for bearing angles?
Answer
(A)
Clockwise from North
38
Which statement correctly describes a rhombus?
Answer
(B)
All sides are equal, and opposite angles are equal.
39
A plane has how many dimensions?
Answer
(C)
2
40
What type of triangle has all three sides equal?
Answer
(C)
Equilateral
41
Which shape has only one pair of parallel sides?
Answer
(C)
Trapezoid
42
What is the sum of the interior angles of a triangle?
Answer
(B)
180 degrees
43
What is the difference between interior and exterior angles of a polygon?
Answer
(B)
Interior angles are inside the shape, while exterior angles are outside.
44
What is the term used to describe shapes that have the same angles but different sizes, with sides in proportion?
Answer
(C)
Similar
45
Which shape is not a polygon?
Answer
(C)
Circle
46
Which of these nets can be folded to form a cube?
Answer
A
C
47
Which quadrilaterals have diagonals that are perpendicular?
Answer
A
D
48
Which of the following statements is true regarding congruent shapes?
Answer
(C)
They are exactly the same size and shape.
49
Which of the following is NOT considered a 3-D solid?
Answer
(C)
Circle