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Right Angled Triangle Formulas Revision

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

1

Area of the triangle

$$\dfrac{ab}{2}$$

2

CircumRadius

$$\dfrac{c}{2}$$

3

InRadius

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

4

Length of altitude to 'c'

$$\dfrac{ab}{c}$$

5

Length of side 'c'

$$\sqrt{a^2+b^2}$$

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Revise Other Quant Formulas
Properties of Triangle Two points Polygons Coordinate Geometry Triangles Total Surface Area Equilateral Triangle Volumes of Solids Areas Lateral/Curved Surface Area Hexagon