Example 10. ABC is a triangle, PQ is the line segruent intersecting AB in P and AC in Q such that PQ || BC and divides 
 into two parts equal in area. Find BP : AB
Solution:
Given: 
 in which PQ || BC, and PQ
divides 
 into two parts equal in area. 
To find: BP : AB
Proof:- In 
 and ABC 

| Subjects | Maths (Part-1) by Mr. M. P. Keshari | 
| Chapter 1 | Linear Equations in Two Variables | 
| Chapter 2 | HCF and LCM | 
| Chapter 3 | Rational Expression | 
| Chapter 4 | Quadratic Equations | 
| Chapter 5 | Arithmetic Progressions | 
| Chapter 6 | Instalments | 
| Chapter 7 | Income Tax | 
| Chapter 8 | Similar Triangles |