perimeter		Triangle with two sides and two angles equal.
obtuse		The length of the outside boundary of a shape.
MMDXIV		An amount out of 100.
lengthwidth		Sum divided by the number of parts.
denominator		180 degree angle.
fraction		g stands for.
edge		t stands for.
Average		Angles more than 90 degrees but less than 180 degrees.
factor		mm stands for.
revolutions		Area equals _________ multiplied by _________.
equilateral		A number which has only two factors - one and itself.
face		Triangle with each side a different length.
precent		2514 in Roman numerals.
metres		Top number in a fraction.
centimetres		cm stands for.
numerator		Bottom number in a fraction.
angle		Amount of turning between two lines that meet at a point.
rightangled		A whole number that can be divided exactly into another number.
grams		Angles more than 180 degrees.
straightangle		Triangle with one right angle.
millimetres		Where edges meet to make a corner.
tonnes		360 degrees.
Vertex		km stands for.
scalene		Angles less than 90 degrees.
isosceles		Flat surface of a solid shape.
kilometres		Size of the surface.
Area		Triangle with all sides and all angles equal.
primenumber		Where two surfaces meet.
acute		m stands for.
reflex		Any part of a group or whole.