Download as PDF

Although this type of question will not feature directly in competitive exams these simple rules will help you understand triangles based question more easily.


1. In any triangle,
a + b > c
b + c > a
a + c > b.

  2. In an acute triangle,
c2 < a2 + b2.


3. In a right triangle,
c2 = a2 + b2.


4. In an obtuse triangle,
c2 > a2 + b2.

5. In any triangle, a < b, if and only if Angle A < Angle B. 

6. A triangle has all sides of equal length if and only if
all its angles are of equal measure.

Like us on Facebook to get more updates

Previous articleShortcut of Percentage
Next articleAmazing Calendar Trick
We are not passionate to get succeeded in Exambin, We are passionate about you getting succeeded in Life. If we are able to give some valuable information to our readers we merit that as our success.