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maths
angles
Term | Definition |
---|---|
acute angle | an angle less than 90 degrees |
obtuse angle | an angle between 90 and 180 degrees |
reflex angle | an angle between 180 and 360 degrees |
ordinary angle | an angle less than 180 degrees |
vertically opposite | these angles are equal in measure |
angles at a point add up to.. | 360 degrees |
corresponding angles | are equal |
alternate angles | are equal |
interior angles | sum up to 180 degrees |
the angles of a triangle add up to... | 180 degrees |
the exterior angle is equal to... | the sum of the interior opposite angles |
each angle in an equilateral triangle is.. | 60 degrees |
a right angled triangle has... | an angle of 90 degrees |
in a square each angle is.. | 90 degrees (right angle) |
in a rectangle each angle is.. | 90 degrees (right angle) |
in a parallelogram opposite angles are... | equal |
in a rhombus opposite angles are... | equal |