Geometry Flashcard 5.11 C

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

Classify a triangle with one angle greater than 90°.

Back

Obtuse triangle

Front

Classify triangle ABC if it has one right angle.

Back

Right triangle

Front

Classify a triangle with all angles less than 90°.

Back

Acute triangle

Front

Classify a triangle with all sides of different lengths.

Back

Scalene triangle

Front

A triangle with all sides congruent is called a ______.

Back

Equilateral triangle

Front

A triangle with three congruent angles is called a ______.

Back

Equiangular triangle

Front

The sum of the interior angles of a triangle is always equal to ______.

Back

180°

Front

In a right triangle, one angle measures ______ degrees.

Back

90°

Front

If a triangle has two equal sides, it is classified as ______.

Back

Isosceles triangle