Geometry and Probability Flashcard

Front

What is a scalene triangle?

Back

A scalene triangle has no equal sides and no equal angles.

Front

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

Back

The formula is (n - 2) × 180°.

Front

What is the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

If the probability of an event is 0.5, how can it be described?

Back

It can be described as having an even chance.

Front

What is the term for a straight line from the center of a circle to any point on the circumference?

Back

The term is Radius.

Front

What is the definition of a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Front

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

Back

The sum of the interior angles of a triangle is 180°.

Front

What is the difference between a chord and a diameter in a circle?

Back

A chord is a line segment with both endpoints on the circle, while a diameter is a chord that passes through the center of the circle.

Front

What is the probability of a certain event?

Back

The probability of a certain event is 1.

Front

What is the relationship between complementary angles?

Back

Complementary angles are two angles whose sum is 90°.