Page 94 - Mathematics Coursebook
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8.4 Symmetry properties of triangles, special quadrilaterals and polygons
8.4 Symmetry properties of triangles, special quadrilaterals and
polygons
You should know these symmetry properties of triangles, quadrilaterals and some regular polygons.
A scalene triangle has: An isosceles triangle has: An equilateral triangle has:
s DIFFERENT LENGTH SIDES s SIDES THE SAME LENGTH s ALL SIDES THE SAME LENGTH
s DIFFERENT SIZE ANGLES s ANGLES THE SAME SIZE s ALL ANGLES THE SAME SIZE
s NO LINES OF SYMMETRY
s LINES OF SYMMETRY
Triangles s ORDER ROTATIONAL SYMMETRY s ORDER ROTATIONAL SYMMETRY s ORDER ROTATIONAL SYMMETRY
s LINE OF SYMMETRY
A square has: A rectangle has: A rhombus has:
s ALL SIDES THE SAME LENGTH s PAIRS OF EQUAL LENGTH SIDES s ALL SIDES THE SAME LENGTH
s PAIRS OF PARALLEL SIDES s PAIRS OF PARALLEL SIDES s PAIRS OF PARALLEL SIDES
s ALL ANGLES s ALL ANGLES s OPPOSITE ANGLES EQUAL
s LINES OF SYMMETRY s LINES OF SYMMETRY s LINES OF SYMMETRY
s ORDER ROTATIONAL SYMMETRY s ORDER ROTATIONAL SYMMETRY s ORDER ROTATIONAL SYMMETRY
A parallelogram has: A trapezium has: An isosceles trapezium has:
s PAIRS OF EQUAL LENGTH SIDES s DIFFERENT LENGTH SIDES s SIDES THE SAME LENGTH
Quadrilaterals s OPPOSITE ANGLES EQUAL s DIFFERENT SIZED ANGLES s PAIRS OF EQUAL ANGLES
s PAIR OF PARALLEL SIDES
s PAIRS OF PARALLEL SIDES
s PAIR OF PARALLEL SIDES
s NO LINES OF SYMMETRY
s LINE OF SYMMETRY
s NO LINES OF SYMMETRY
s ORDER ROTATIONAL SYMMETRY
s ORDER ROTATIONAL SYMMETRY
s ORDER ROTATIONAL SYMMETRY
A kite has:
s PAIRS OF EQUAL LENGTH SIDES
s NO PARALLEL SIDES
s PAIR OF EQUAL ANGLES
s LINE OF SYMMETRY
s ORDER ROTATIONAL SYMMETRY
Regular polygons A regular pentagon has: A regular hexagon has: A regular octagon has:
s SIDES THE SAME LENGTH
s SIDES THE SAME LENGTH
s SIDES THE SAME LENGTH
s LINES OF SYMMETRY
s LINES OF SYMMETRY
s LINES OF SYMMETRY
s ORDER ROTATIONAL SYMMETRY
s ORDER ROTATIONAL SYMMETRY
s ORDER ROTATIONAL SYMMETRY
s ANGLES THE SAME SIZE
s ANGLES THE SAME SIZE
s ANGLES THE SAME SIZE
8 Symmetry 93
