Classifying polygons

How many sides does a Quadrilateral have?

• 4
• 3
• 6
• 9

Why is a Triangle called Equilateral?

• It has two sides that match
• It has all 3 sides that match
• It has no sides that match
• It has four sides that match

Why is a Triangle called Isosceles?

• It has two sides that match
• It has three sides that match
• It has no sides that match
• It has four sides that match

Why is a Triangle called Scalene?

• It has two sides that match
• It has three sides that match
• It has no sides that match
• It has four sides that match

Why is a Triangle called a Right Triangle?

• It has 3 right angles
• It has 2 right angles
• It has 1 right angle
• It has 0 right angles

A parallelogram with all sides of equal length is a ________.

• triangle
• trapezoid
• rhombus
• pentagon

A quadrilateral with four sides of equal length and four right angles is ________.

• square
• rectangle
• rhombus
• octagon

A _______  is a quadrilateral with two sides that are parallel but not of equal length.

• pentagon
• rhombus
• square
• trapezoid

A right angle is ____ degrees.

• 180
• 100
• 85
• 90

Why is a Triangle called an Obtuse Triangle?

• It has 0 obtuse angles
• It has 1 obtuse angle
• It has 2 obtuse angles
• It has 3 obtuse angles