Geo - 4.2 Reading Flashcard

Front

What is the value of x in the equation x + 5 = -7?

Back

x = -12

Front

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

Back

180 degrees

Front

What is the measure of angle b if angle a is 144 degrees in a triangle?

Back

Angle b = 36 degrees

Front

What is the formula for the sum of the interior angles of a polygon with n sides?

Back

(n - 2) * 180 degrees

Front

In a right triangle, what is the relationship between the angles?

Back

One angle is 90 degrees, and the sum of the other two angles is 90 degrees.

Front

What is the definition of a triangle?

Back

A polygon with three edges and three vertices.

Front

What is the Pythagorean theorem?

Back

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

Front

How do you calculate the exterior angle of a triangle?

Back

The exterior angle is equal to the sum of the two opposite interior angles.

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Two angles that add up to 180 degrees.