Polygons, Triangles, Quadrilaterals - Review

Select all of the figures that are NOT a polygon.

• 
• 
• 
• 
• 

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

Which of these figures are considered polygons?

• a, b, c, d
• b, d, e, f
• a, b, c
• a, e, f

Classify this triangle by its sides and angles.

• obtuse & isosceles

• right & scalene

• right & isosceles

• obtuse & scalene

Classify the triangle by angles and sides.

• Right Scalene
• Acute Isosceles
• Obtuse Isosceles
• Equiangular Equilateral

Name this triangle.

• Right, Isosceles
• Scalene, acute
• Isosceles, acute
• Equilateral, obtuse

Judy bought a new tent for camping. The sides measure 4 ft by 3 ft by 4 ft. All angles are less than 90 degrees. Classify the triangle by its sides and angles.

• Isosceles, obtuse

• Scalene, right

• Equilateral, acute

• Isosceles, acute

Find the measure of the missing angle.

• 140°
• 21°
• 105°
• 25°

A triangle's angles add up to...

• 90 Degrees
• 180 Degrees
• 360 Degrees
• OVER 9000 Degrees

Find x

• 40 degrees

• 21 degrees

• 42 degrees

• 39 degrees