Author: Gareth

Acute
Angle
Less than 90°

Hexagon
6 sides

Isosceles
Triangle
2 sides of equal length
2 angles the same

Octagon
8 sides

Reflex
Angle
More than 180°

Scalene
Triangle
No of equal length
No angles the same

Right-Angled
Triangle
1 angle of 90°

Acute
Angle
Less than 90°

Obtuse
Angle
More than 90° but less than 180°

Equilateral
Triangle
3 sides of equal length
3 angles the same

Pentagon
5 sides

Parallelogram

Trapezium

Right-Angled
Triangle
1 angle of 90°

Isosceles
Triangle
2 sides of equal length
2 angles the same

Square

Octagon
8 sides

Pentagon
5 sides

Hexagon
6 sides

Right-Angle
Equal to 90°