What is the name of two linear (straight) lines which cross at 90°?
perpendicular lines
200
√121
11
200
8x - 3 = -11
x = -1
200
3x + 4y + 3 + 6 - 2x + y
1x + 5y + 9
200
Given the length of a square is m, what is its perimeter?
4m
200
What is the name of two linear (straight) lines which never meet?
parallel lines
300
The decimal approximation for π (pi). Give your answer correct to 2 decimal places.
3.14
300
x/2 + 4 = 16
x = 24
300
7 (2x + 3y) - 11y +2x +3
16x + 10y + 3
300
What is the formula for circumference of a circle?
C=2πr or C = πd
300
Given that a pair of angles are congruent and one angle is 45°, what is the value of the other angle?
45°
400
Estimate √7 . The answer is between which two numbers?
2 and 3
400
2 (x + 3) = 4
x = -1
400
2(3a - 1) + 2a - 1
8a - 3
400
What is the formula for finding the area of lateral surface of a cylinder?
Area of lateral surface of cylinder = 2πrh
400
Given that a pair of angles are supplementary and one of the angles is 72°, find the value of the other angle?
108°
500
Estimate √72 . The answer is between which two numbers?
8 and 9
500
3 (2x - 4) = 6
x = 3
500
2 (x + y) - y + 3
2x + 1y + 3
500
What is the formula for the area of trapezium?
area of trapezium = 1/2 (a + b) * h
500
Assuming that the container used for holding Coca-Cola is a cylinder, find the volume of the container if its base has a radius of 2cm and its height is of 12cm? Leave your answer in terms of pi.