Understanding Plane Figures

What is a plane?

• A shape with curved lines

• A three-dimensional object

• A type of polygon

• A flat surface that extends in all directions

What are plane figures formed by?

• Only curved lines

• Only straight lines

• Curved lines or straight lines

• Numbers

What are the two types of plane figures?

• Open and Closed

• Square and Circle

• Polygon and Non-Polygon

• Curved and Straight

What is an open plane figure?

• Figures that start and end at the same point

• Figures that start at one point and end at another

• Figures made of only curved lines

• Figures made of only straight lines

Which of the following is a closed plane figure?

• Square

• Angle

• Open curve

• Curvy line

What is a polygon?

• A figure that starts and ends at the same point

• A closed plane figure with curves

• An open plane figure made of straight lines

• Closed plane figures made of three or more line segments

Which of the following is NOT a polygon?

• Rectangle

• Pentagon

• Triangle

• Circle

What are four-sided polygons called?

• Quadrilaterals

• Triangles

• Pentagons

• Hexagons

Which of the following quadrilaterals has all sides of equal measures?

• Rectangle

• Square

• Parallelogram

• Kite

Which of the following statements is true?

• A rectangle has adjacent sides of equal measures

• A square is not a polygon

• A kite has opposite sides of distinct measures

• A circle is a type of polygon