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 one angle of a triangle is 50 degrees and another is 65 degrees, what is the measure of the third angle?

Back

65 degrees

Front

Solve for x: 2x + 12 = 24.

Back

x = 6

Front

Solve for x: 3x - 12 = 24.

Back

x = 12

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle

Front

What type of triangle has at least two sides of equal length?

Back

Isosceles triangle

Front

What type of triangle has all sides of equal length?

Back

Equilateral triangle

Front

What is the formula for 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.