Symmetry — Formula Sheet
ICSE · Class 7 · Mathematics
4 formulas from Symmetry (ICSE Class 7 Mathematics) on one page, grouped by topic. Part of the ICSE Class 7 Mathematics syllabus.
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Formulas and Key Relations
3. Reflection in Coordinate Geometry
Image of P(x, y) in x-axis = P'(x, -y)
Image of P(x, y) in y-axis = P'(-x, y)
Image of P(x, y) in origin = P'(-x, -y)
4. Rotation and Rotational Symmetry
Anticlockwise rotation by θ° = Clockwise rotation by (360 - θ)°
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