Sides and Angles of a Triangle

Which polygon has 3 sides and only 2 of the side lengths are congruent?

• Equilateral triangle

• Scalene Triangle

• Isosceles triangle

• Trapezoid

How many  right angles does this triangle have?

• one

• two

• three

• none

Daniel has drawn a triangle with sides of length 5cm, 5cm and 8cm.

What type of triangle has he drawn?

• Isosceles

• Right-angled

• Equilateral

• Scalene

Charlotte has drawn a triangle with angles of 60°, 60° and 60°.

What type of triangle has she drawn?

• Isosceles

• Right-angled

• Scalene

• Equilateral

Which of the following are types of Triangle SIDES?

• Equilateral Triangle

• Isosceles Triangle

• Scalene Triangle

• All of the above

Which of the following are types of Triangle Sides?

• Equilateral Triangle

• Isosceles Triangle

• Scalene Triangle

• All of the above

What triangle has all sides congruent?

• scalene triangle

• equilateral triangle

• isosceles triangle

Select all the sentences that are true.

• All triangles have 3 vertices.

• All right angle triangles have ONLY ONE angle that equals 90 degrees.

• A triangle can have two obtuse angles.

• A triangle cannot have 2 congruent sides.

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 would a triangle be called with two equal sides AND angles that measure (120 degrees, 45 degrees, and 15 degrees?)

• Equilateral Triangle

• Isosceles Triangle

• Obtuse Triangle

• Obtuse Isosceles Triangle