Mathematics for IGCSE & O level - Angles (Section 1)
1
The sum of the angles on a straight line is:
2
The exterior angles of a convex polygon add up to:
3
If the exterior angle of a regular polygon is 24 degrees, how many sides does the polygon have?
4
If two parallel lines are intersected by a transversal, what is the relationship between alternate angles?
5
What is the value of x in a triangle where one angle is 90 degrees and another is 30 degrees?
6
What is the sum of the angles in a quadrilateral?
7
In an equilateral triangle, what is the measure of each angle?
8
Which terms apply to angles?
9
A triangle with one right angle is called a:
10
What is the measure of the missing angle in a parallelogram with angles of 60°, 120°, and 60°?
11
A triangle has angles of 40° and 70°. What is the measure of the third angle?
12
Which statements about a square are true?
13
What is the interior angle of a regular hexagon?
14
Which of the following are ways to describe angles?
15
Which properties describe a rectangle?
16
For an isosceles triangle:
17
What is the measure of each interior angle in a regular octagon?
18
The sum of the angles around a point is:
19
Which of the following is a characteristic of an isosceles triangle?
20
Which angle pair is an example of supplementary angles?
21
If two lines are parallel and cut by a transversal, the co-interior angles are:
22
Which statement is true about the interior angles of a polygon?
23
A polygon with 10 sides is called a:
24
Which properties describe a rhombus?
25
What type of triangle has all angles less than 90 degrees?
26
If two parallel lines are intersected by a transversal, what is the relationship between corresponding angles?
27
Which shapes are quadrilaterals?
28
What is the sum of the interior angles of a pentagon?
29
What is the sum of the interior angles of a triangle?
30
Which of the following describes a polygon?
31
If two lines meet at right angles, the angles are:
32
What is the relationship between an interior angle and an exterior angle on the same vertex of a polygon?
33
Which shape has interior angles that sum to 360 degrees?
34
What is the exterior angle of a regular decagon?
35
Which is a characteristic of a kite?
Answer(C)
Two pairs of adjacent sides equal
36
Which of the following are ways to identify an angle?
37
If two lines intersect, what is the relationship between vertically opposite angles?
38
Which of the following statements are true about a straight line?
39
What is the size of each exterior angle in a regular hexagon?
40
In a triangle, if all three sides are different lengths, the triangle is called:
41
If the exterior angle of a regular polygon is 45°, how many sides does the polygon have?
42
Which type of triangle has one angle greater than 90 degrees?
43
If two parallel lines are intersected by a transversal, what is the relationship between co-interior angles?
44
Which terms are associated with interior angles?
45
Which type of angle is greater than 90 degrees but less than 180 degrees?
46
In a quadrilateral, the angles are x, 2x, 3x, and 4x. What is the value of the smallest angle?
47
What must be true about the two acute angles in a right triangle?
48
What's the definition of a transversal?
Answer(A)
A line that intersects two or more other lines.
49
Which of the following are always congruent when two parallel lines are cut by a transversal?
50
What is the measure of each interior angle of a regular hexagon?
