Types of Triangles

Angles

100

How many types of triangles are there?

6

200

A right angle is exactly ____ degrees.

90^o

300

What is the definition of an obtuse angle?

An angle measuring more than 90 degrees.

400

What is the definition of an acute angle?

An angle measuring less than 90 degrees.

Triangles by Sides

100

A triangle with no equal sides is classified as a __________ triangle.

Scalene

200

A triangle with 2 equal sides is classified as a(n) __________ triangle.

Isosceles Triangle

300

A triangle with 3 equal sides is classified as a(n) _____________ triangle.

Equilateral

400

A triangle with the following measurements would be described as what type of triangle? (Equilateral, Scalene, or Isosceles)

2 cm, 3 cm, 5 cm

Scalene

500

A triangle with the following measurements would be described as what type of triangle? (Equilateral, Scalene, or Isosceles)

5 meters, 5 meters, 2 meters

Isosceles