Name the Shape

1
Name the Shape
circle
square
rectangle
triangle
octagon
hexagon
pentagon
2
Triangle Names
A triangle has 3 sides and 3 angles
The angles and sides of this triangle are all
different.
Equilateral triangles have 3 equal sides and 3
equal angles.
Isosceles triangles have 2 equal sides and 2
equal angles.
It is a scalene triangle.
a b c 180
3
Triangle Names
a, b and c are all acute angles
greater than 90
less than 90
4
Quadrilaterals
A quadrilateral has 4 sides
and 4 angles.
The sum of the angles of any quadrilateral 2 x
180 360.
5
Special Quadrilaterals
These are trapezia
6
Special Quadrilaterals
These are parallelograms
7
Special Quadrilaterals
These are rhombuses
8
Special Quadrilaterals
These are rectangles
Diagonals not perpendicular
9
Special Quadrilaterals
These are squares
Diagonals equal
10
Special Quadrilaterals
These are kites
11
Pentagons
12
Hexagons
A hexagon has 6 sides
13
Octagons
14
3D Shapes
cuboids
cubes
hexagonal prism
triangular prism
cylinders