Example 6. In the given figure. 
is right angle of 
. A semicircle is drawn on AB as diameter. P is any point on AC produced. When joined, BP meets the semi-circle in point D. 
Prove that: AB2 = AC.AP + BD.BP.

Solution:-
In
| Subjects | Maths (Part-1) by Mr. M. P. Keshari | 
| Chapter 9 | Circle | 
| Chapter 10 | Tangents to a circle | 
| Chapter 11 | Geometrical Construction | 
| Chapter 12 | Troigonometry | 
| Chapter 13 | Height and Distance | 
| Chapter 14 | Mensuration | 
| Chapter 15 | Statistics | 
| Chapter 16 | Probability | 
| Chapter 17 | Co-ordinate Geometry |