Triangles Review

Front

How many interior angles are there in a triangle?

Back

3

Front

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

Back

180 degrees

Front

If two angles of a triangle are 50 degrees and 65 degrees, what is the measure of the third angle?

Back

65 degrees

Front

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

Back

Acute Triangle

Front

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

Back

Obtuse Triangle

Front

What type of triangle has exactly 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 formula to find the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the relationship between the angles in a triangle?

Back

The sum of the interior angles is always 180 degrees.