Triangles Flashcard - Wednesday

Front

TRUE OR FALSE - All right triangles have at least one right angle.

Back

TRUE

Front

In order for a triangle to be acute, all of its angles must be _________.

Back

acute

Front

What type of triangle has one right angle?

Back

Right triangle

Front

What do you call a triangle with all sides of different lengths?

Back

Scalene triangle

Front

What do you call a triangle with at least two equal sides?

Back

Isosceles triangle

Front

What do you call a triangle where all angles are less than 90 degrees?

Back

Acute triangle

Front

What do you call a triangle with one angle greater than 90 degrees?

Back

Obtuse triangle

Front

Classify a triangle with one right angle and two equal sides.

Back

Right Isosceles triangle

Front

Classify a triangle with all sides equal and all angles equal.

Back

Equilateral triangle

Front

What is the sum of the angles in any triangle?

Back

180 degrees