Classify Triangles by Angle and Length

How many obtuse angles are in an obtuse triangle?

• 1

• 2

• 3

• 4

What type of triangle has only acute angles and no congruent sides?

• Right Isosceles Triangle

• Obtuse Isosceles Triangle

• Right Scalene Triangle

• Acute Scalene Triangle

What type of triangle has only one right angle and two congruent sides?

• Right Isosceles Triangle

• Obtuse Isosceles Triangle

• Right Scalene Triangle

• Acute Scalene Triangle

A triangle with sides of length 6 cm, 11 cm, and 14 cm is ​ ​ (a)   .

• an acute triangle

• not a triangle

• a right triangle

• an obtuse triangle

Triangles can be classified by what two things?

• Side length and angle measure

• Number of Vertices and number of sides

• Angle color and side height

• Number of points and number of lines

A triangle with at least one angle greater than 90 degrees is called a(n) ________ triangle

• obtuse

• left

• right

• acute

How many acute angles must an acute triangle have?

• 2

• 1

• 4

• 3

A scalene triangle has _____

• 3 different angle names

• no congruent sides

• all sides congruent

• 3 congruent angles

An _____________ triangle is a triangle with one obtuse angle and two acute angles.

• Scalene Triangle

• Right Triangle

• Obtuse Triangle

• None of these

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above