Mathematics P2

He

Trigonometry 2-D and 3-D

Because

In the diagram below. ABC is a right-angled triangle. KC is the bisector of ACB. AC units and BCK = x.

A

B

K

11.1 Write down AB in terms of x and r.

11.2 Give the size of AKC in terms of x.

11.3 If it is given that AK 2 AB 3 calculate the value of x.