Angles in a straight line sum to ___.
180 degrees
Here are the heights of 9 pencils in cm:
12, 13, 10, 13, 15, 11, 12, 13, 14
What is the mode?
13
1000
Calculate an estimate for
(3.7 x 18.2) / 5.1
16
What is Pythagoras' theorem?
a^2 + b^2 = c^2
A polygon is a 2d shape bounded by straight edges.
In a random sample, every member of the population has an ____ chance of being included.
Simplify the ratio
36:45
4:5
An isosceles trapezium has ___ line of symmetry.
One
In a right angled triangle the longest side is called the ______.
Hypotenuse
Alternate and corresponding angles are ____.
In a survey, a sample is taken to represent the population. A sample that is too small can ____ the results.
Bias
A model of the Eiffel Tower is made using the ratio 1:1280.
The height of the model is 250mm
What is the height of the Eiffel Tower?
320,000mm - 32m
A ____ shape is made up of simple shapes.
Compound/composite
What does TOA mean?
Tan(angle) = opposite/adjacent.
What is the formula for the external angles of a regular polygon?
360/n
The averages that are not affected by extreme values are the ____ and the ____.
Median and Mode
Write in the form n:1
5:36
1:7.2
The _____ ___ of a 3D solid is the total area of all its faces.
What is the exact value of cos(0)?
1
What is the formula for the sum of internal angles of a polygon?
(n-2) x 180
Which is the only average that can be used for non-numerical data?
The mode
5 tickets to a theme park cost £125.
How much will 18 tickets cost?
£450
A cube has a volume of 64cm^3.
What is the length of one of its sides?
4cm
What is the exact value for sign(30)
1/2