Class VI Mathematics

Chapter 5: Understanding Shapes

Standard NCERT & CBSE aligned study curriculum. Master concepts, track accuracy, revise weak areas, and challenge yourself with 9 customized practice modes.

Key Formulas & Equations

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Reflex Angle range

sin θcos θθ
180^\circ < \theta < 360^\circ

Angle larger than a straight angle.

Related Formulas from Adjacent Chapters

Circle Circumference Ratio

\frac{C}{d} = \pi

[From Basic Geometrical Ideas] Constant ratio of circle circumference to diameter.

Negative sign multiplication

(-a) \times (-b) = ab

[From Integers] Product of two negative terms yields a positive result.