| |
|
|
| |
 |
| Classification of Triangles |
|
|
| |
| (i) If one angle of a triangle is a right angle, then it is called a right angled triangle. Note that the other two angles are acute. |
| |
 |
| |
| (ii) If all the angles of a triangle are acute, then it is called an acute angled triangle. |
| |
 |
| |
| (iii) If one angle of a triangle is obtuse, then it is called an obtuse angled triangle. Note that the other two angles are acute. |
| |
 |
| |
|
| |
| (i) If any two sides of a triangle are equal, then it is called an Isosceles Triangle. |
| |
In  ABC, AB = AC |
| |
 ABC is isosceles. |
| |
 |
| |
| (ii) If all the three sides of a triangle are equal, then it is an Equilateral Triangle. |
| |
In  ABC, AB = BC = CA |
| |
 ABC is equilateral. |
| |
 |
| |
| (iii) If no two sides of a triangle are equal, then it is called a Scalene Triangle. |
| |
In  ABC, AB  BC  CA. |
| |
 ABC is scalene. |
| |
 |
| |
| |
| |
|
|
| |
|
|
| |
|
|
|
|
Get FREE Live Tutoring
(No credit card required)
Customer Care
Click to get customer service, technical support and subscription help.
Refer-A-Friend
Get One Month Free!
When you refer a friend
|
|
|
