All About Geometry

A square is a rectangle.

• True

• False

Select ALL the shapes that are NOT quadrilaterals.

• Hexagon

• Pentagon

• Triangle

• Rhombus

Which quadrilaterals have 2 sets of opposite sides that are congruent?

• rectangle, trapezoid

• square, trapezoid

• trapezoid, rhombus

• rectangle, parallelogram

Name the shape shown in the picture

• Irregular Octogon

• Regular Quadrilateral

• Regular Pentagon

• Irregular Triangle

Name the following shape

• Regular Hexagon

• Regular Pentagon

• Irregular Triangle

• Regular Octogon

Name the following shape

• Isosceles Obtuse Triangle

• Isosceles Acute Triangle

• Equilateral Acute Triangle

• Scalene Obtuse Triangle

Name the following shape

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Irregular Triangle

• Right Scalene Triangle

Name the following shape

• Obtuse Equilateral Triangle

• Acute Scalene Triangle

• Obtuse Scalene Triangle

• Right Equilateral Triangle

An Acute triangle 

• has one acute angle

• has 3 acute angles

• has two obtuse angles and one acute

What is a polygon?

• A closed figure made up of straight line segments

• An open figure made up of straight line segments

• A closed figure made up of curved edges

• An closed figure made up of crossed line segments