Use the given information to work out something that is outside the range of the data. Always risky to do, as there is no certainty in the answer.
Multiply the length of all the sides by the same amount. It could mean make smaller if the scale factor is between 0 and 1.
Use the information in the question to write an expression with the letter(s) given.
Usually given in questions where there are more than one set of brackets. Expand the brackets and collect any like terms.
Multiply out the brackets.
Example: y = 2x – This means that y is always double the x value.
An angle outside of the shape made by continuing one of the sides.
Example: Calculate the exterior angle of a 10 sided regular polygon.
🔑 Key Exterior Angle Topics: Interior and Exterior Angles
Write down. Usually used where the question wants the answer in a particular format.
Example: Express your answer in the format p + √q
🔑 Key Express Topics: Surds