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Mathematics for IGCSE & O level - Geometrical Terms (Section 6)

1
In the context of a circle, what is the distance around the circle called?
Answer
(C)
Circumference
2
What information is needed to find the circumference of a circle, given an arc length and its corresponding central angle?
Answer
(B)
The total angle of the circle (360 degrees)
3
How many dimensions does a point have?
Answer
(A)
0
4
What is the term for the surface of a cone?
Answer
(D)
All the above
5
What term is used to describe a triangle with one angle greater than 90 degrees?
Answer
(B)
Obtuse triangle
6
In a square, what is the measure of each interior angle?
Answer
(C)
90 degrees
7
Which statement is TRUE regarding the sides of an equilateral triangle?
Answer
(C)
All sides are equal
8
What angle is formed by a half-turn?
Answer
(B)
180 degrees
9
A hexagon has how many sides?
Answer
(C)
6
10
What is the name of an angle that measures 180 degrees?
Answer
(D)
Straight angle
11
What kind of a triangle has no sides equal?
Answer
(A)
Scalene triangle