lines angles and polygons

What is a polygon?

• A closed plane figure made up of line segments
• An open plane figure made up of line segments
• A closed plane figure made up of rays
• An open plane figure made up of rays

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 a Right Triangle?

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

Is a quadrilateral that has opposite sides that are parallel and all of its sides are the same length

• Rhombus
• Trapezoid
• Rectangle
• Square

Which is smallest?

• Acute
• Obtuse
• Straight
• Right

Select the two correct ways to classify the triangle in the picture.

• isosceles

• right

• scalene

• acute

• obtuse

Which of the following is not a quadrilateral?

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• 
• 
• 

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What is the name of this kind of triangle?

• Right
• Scalene
• Isosceles
• Equilateral

Is a quadrilateral with only one pair of parallel sides.

• Rhombus
• Square
• Rectangle 
• Trapezoid

A right angle is ____ degrees.

• 180
• 100
• 85
• 90