Constructions — Formula Sheet
ICSE · Class 7 · Mathematics
7 formulas from Constructions (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
1. Angle Construction
\angle TPQ = \angle ABC
\angle ABF = \angle FBC = (1/2) \angle ABC
\angle DOA = 60^{\circ}
\angle AOE = 90^{\circ}
\angle AOD = 90^{\circ} + 45^{\circ} = 135^{\circ}
2. Special Constructions on Line Segments and Lines
AP = PB = (1/2) AB and \angle APC = 90^{\circ}
\angle QPB = \angle QPA = 90^{\circ}
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