MC #2: Classifying Triangles by Sides and Angles

Select all acute triangles.

• 
• 
• 
• 

True or False.
A right, isosceles triangle has 1 right angle and 2 equal sides.

• True 
• False

Tags

CCSS.HSG.CO.B.8

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.C.6

True or False.
A right triangle has 2 right angles. 

• True
• False

True or False
An obtuse triangle has 1 obtuse angle.

• True
• False

Look at the triangle pictured. 
What do the lines (sticks) mean on a shape?

• The lines (sticks) show sides that are equal
• The lines (sticks) show sides that are not equal

A triangle in which all angles are smaller than a right angle is a...

• obtuse triangle

• acute triangle

• scalene triangle

• right triangle

Tags

CCSS.4.G.A.2

Classify this triangle by both sides and angles:

• Isosceles

• Right

• Acute

• Scalene

• Equilateral

Tags

CCSS.4.G.A.2

Classify this triangle by both sides and angles:

• Scalene

• Isoceles

• Acute

• Obtuse

• Right

Classify this triangle by both sides and angles:

• Right

• Isosceles

• Scalene

• Acute

• Equilateral

Tags

CCSS.4.G.A.2

Classify this triangle by both sides and angles:

• Equilateral

• Acute

• Scalene

• Isosceles

• Right

Tags

CCSS.HSG.CO.C.10