Join WhatsApp Icon CAT WhatsApp Group

Properties of Triangle Formulas Revision

Click the option on the left followed by your answer on the right

1

Semi Perimeter (s)

$$\dfrac{(a+b+c)}{2}$$

2

Perimeter

$$a+b+c$$

3

Area $$\Delta$$

$$\sqrt{s(s-a)(s-b)(s-c)}$$

4

Inradius

$$\dfrac{\Delta}{s}$$

5

Circumradius

$$\dfrac{abc}{4\Delta}$$

6

Sin(A)

$$\dfrac{2\Delta}{bc}$$

7

Cos(A)

$$\dfrac{b^2 + c^2 - a^2}{bc}$$

Go back to topics
Revise Other Quant Formulas
Two points Polygons Coordinate Geometry Right Angled Triangle Triangles Total Surface Area Equilateral Triangle Volumes of Solids Areas Lateral/Curved Surface Area Hexagon