An isosceles triangle has rotational symmetry of order 1. The triangle fits ... Acute angles (less than 90°). Right angle (exactly 90°), marked with a square. Obtuse angles (greater than 90 ...
HYDERABAD: Governor Jishnu Dev Varma on Tuesday released ‘Obtuse Angle’, a cartoon book which opens a window to the world of bureaucracy with subtle humor by retired IAS officer BP Acharya ...
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