Polygons and Circles

What is the name of a four sided polygon?

• Octagon

• Square

• Triangle

• Quadrilateral

A circle is a polygon

True or False?

• True

• False

What is the square unit of this image?

• 27 sq.cm

• 25 sq.cm

• 19 sq.cm

• 40 sq.cm

What is this image?

• Polygon

• Non-polygon

• square

• Rhombus

What is this shape?

• Triangle

• Square

• rhombus

• None of these

Name the pictured part of this circle

• Radius

• Diameter

• Sector

• Chord

Name this part of the circle

• Chord

• Arc

• Sector

• Circumference

The definition of a diameter is

• Distance around the circle

• Distance from one point to another

• Distance from the center of any point of the circle

• Distance across the circle through the center

A house has a large, circular window. It has a diameter of 6m. What is the windows approximate circumference?

• 3m

• 13.5m

• 19.69m

• 18.84m

The distance around the circle is called the ____