3.1 Classifying Triangles

Front

What type of triangle has all three sides of equal length?

Back

Equilateral triangle

Front

What type of triangle has two sides of equal length?

Back

Isosceles triangle

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle

Front

What type of triangle has one angle equal to 90 degrees?

Back

Right triangle

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle

Front

If a triangle has angles measuring 30°, 60°, and 90°, what type of triangle is it?

Back

Right triangle

Front

If a triangle has angles measuring 45°, 45°, and 90°, what type of triangle is it?

Back

Right triangle

Front

If a triangle has angles measuring 70°, 60°, and 50°, what type of triangle is it?

Back

Acute triangle