Classify Triangles by Sides and Angles

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

• True 

• False

Classify this triangle by its sides and angles.

• acute & scalene

• right & scalene

• right & equilateral

• acute & equilateral

A triangle that has angles measuring 90 degrees, 45 degrees, and 45 degrees with two congruent (equal) sides is called a______________.

• Scalene Acute

• Isosceles Right

• Scalene Right

• Equilateral Acute

Classify this triangle by its sides and angles.

• obtuse & isosceles

• obtuse & equilateral

• right & isosceles

• right & equilateral

Classify the triangle by angles and sides.

• Right Scalene

• Acute Isosceles

• Obtuse Isosceles

• Equiangular Equilateral

Name this triangle.

• A

• B

• C

• D

How many acute angles must an acute triangle have?

• 2

• 1

• 4

• 3

Which type of triangle is this?

• Equilateral

• Isosceles

• Equivalent

• Right

Name this triangle

• A

• B

• C

• D

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle