Question 136
To which of the following shapes the area can't be calculated if the perimeter is given?
- Circle.
- An isosceles right triangle.
- Rectangle.
- A regular Hexagon.
- Square.
Question 137
A and B are two circles. The radius of A is twice as large as the diameter of B. What is the ratio between the areas of the circles?
- 1:8
- 1:2
- 1:4
- 1:16
- 1:6
Question 138
A, B, C, D and E are 5 consecutive points on a straight line. If BC = 2CD, DE = 4, AB = 5 and AC = 11, what is the length of AE?
- 21
- 26
- 30
- 18
- 16
Question 139
In a rectangular axis system, what is the distance between the following points: A (3, 2) and B (7, 5)?
- 5
- 7
- 6
- 4
- 3
Question 140
In a rectangular axis system, what is approximate distance between the following points: C (1, 2.5) and D (6.5, 5.5)?
- 5.5.
- 7.2.
- 6.3.
- 4.1.
- 3.8.