A polygon with 8 sides is a
- Octogon
- Quadrilateral
- Trapezoid
- Pentagon
The length of a straight line drowns from the center of a circle to a point on its circumference.
- Diameter
- Apothem
- Hypotenuse
- Radio
The formula of the area of a parallelogram is
- A = b x b
- A = b x h
- A = (b x h)/2
- A = 4b
The distance around a two-dimensional shape is
- Area
- Perimeter
- Volume
- Height