Class VII Mathematics

Chapter 10: Practical Geometry

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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Parallel Lines Alternate angles

sin θcos θθ
\theta_{alt1} = \theta_{alt2}

Alternate interior angles are equal when lines are parallel.

Related Formulas from Adjacent Chapters

Rational Standard Form

q \neq 0, \text{GCD}(p,q)=1

[From Rational Numbers] Form p/q where numerator and denominator have no common factor.

Area of Parallelogram

A = b \times h

[From Perimeter and Area] Multiplies base by perpendicular height.

Area of Circle

A = \pi r^2

[From Perimeter and Area] Pi times squared radius.

Circumference of Circle

C = 2\pi r

[From Perimeter and Area] Twice Pi times radius.