10 key maths words on shape and space.
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parallel |
A trapezoid or trapezium is a type of quadrilateral with at least one pair of parallel sides.
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isosceles |
Isosceles literally means equal legged and isosceles triangles have two sides the same length.
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alternate |
If you spot a z shape on a pair of parallel lines, then you will be able to find a pair of alternate angles, which are equal.
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corresponding |
Corresponding angles are equal and we can spot the matching angles by looking for an f shape on parallel lines.
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angles |
Please do not confuse angles, which are measured in degrees, with shining beings with halos and wings.
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symmetry |
Butterflies are a beautiful example of symmetry in nature.
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obtuse |
An obtuse angle is more than 90 degrees, but less than 180 degrees.
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circumference |
The circumference of a circle is the distance round the outside.
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quadrilateral |
The only regular quadrilateral is a square, because all of its angles are the same and the four sides are equal lengths.
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perpendicular |
A perpendicular bisector is a line that cuts another in half, crossing it at right angles.
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* This sentence was added by a Spellzone user.
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