Triangle quiz

You can classify triangles by their ___________ and by their ____________. (Select the two that apply)

• sides

• shape

• color

• angles

Classify by its angles.

• acute
• equiangular
• right
• obtuse

What is the value of x?

• 15
• 9
• 12
• 11

• A
• B
• C
• D

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• right scalene

What is the value of the missing angle?

• 61
• 50
• 60
• 69

TRUE or FALSE: Equilateral Triangle can also be a Right Triangle.

• TRUE

• FALSE

Q. Which of the following angle cannot present in a triangle?

• Acute Angle

• Right Angle

• Obtuse Angle

• Reflex Angle

What type of triangle is this?

• Acute
• Right
• Isosceles
• Obtuse

Find the indicated angle. (What is ?)

• 91°

• 81°

• 89°

• 109°