From the diagram above. ABC is a triangle inscribed in a circle center O. ∠ACB = 40º and |AB| = x cm. Calculate the radius of the circle.
The diagram shows the position of three ships A, B and C at sea. B is due north of C such that |AB| = |BC| and the bearing of B from A = 040°. What is the bearing of A from C
In the diagram, PQST and QRST are parallelograms. Calculate the area of the trapezium PRST.
The height of a pyramid on square base is 15cm. If the volume is 80cm\(^3\), find the length of the side of the base