Two-Dimensional Shapes

A polygon is a closed figure with _____ or more closed line segments as sides

• 1

• 2

• 3

• 4

What kind of triangle is this?

• scalene triangle

• equilateral triangle

• isosceles triangle

• right triangle

How many acute angles are in this shape?

• 0

• 1

• 2

• 3

What is the name of this shape?

• square

• rhombus

• trapezoid

• parallelogram

Which two lines in this shape are parallel?

• AB and DC

• BC and AD

• BD and CA

• ABCD

Does this object have a line of symmetry?

• yes

• no

Which shapes have at least one line of symmetry?

• 
• 
• 
• 
• 

What kind of angle is this?

• right angle

• straight angle

• obtuse angle

• acute angle

This shape has four sides. The sides are not the same length. There are two pairs of parallel lines and no right angles.

• trapezoid

• square

• scalene triangle

• parallelogram

Which statement correctly compares this triangle and trapezoid?

• Both figures are polygons with at least 2 acute angles.

• Both figures are polygons whose interior angles total 360 degrees.

• Both figures are polygons whose interior angles total 180 degrees.

• Both figures are polygons with one pair of parallel opposite sides.