Find the next two terms of the sequence
1, 5, 14, 30, 55, ...
Each interior angle of a regular polygon is 108°. How many sides has it?
Find, correct to two decimal places, the mean of 9, 13, 16, 17, 19, 23, 24.
In the diagram, ∆XYZ is similar to ∆PRQ, |XY| = 5cm, |XZ| =3.5cm and |PR| = 8cm. Find |PQ|
