Constructions Vocabulary

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is an angle bisector?

Back

An angle bisector is a line that splits an angle into two congruent angles.

Front

What geometric construction is used to create two equal angles?

Back

Angle bisector.

Front

What is the definition of a diameter?

Back

A diameter is a straight line passing from side to side through the center of a circle or sphere.

Front

What is a polygon?

Back

A polygon is a regular shape that has all equal sides and angles.

Front

What is the difference between a chord and a diameter?

Back

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

Front

What is a perpendicular bisector?

Back

A perpendicular bisector is a line that divides a segment into two equal parts at a right angle.

Front

What is a secant line?

Back

A secant line is a line that intersects a circle at two points.

Front

What is a tangent line?

Back

A tangent line is a line that touches a circle at exactly one point.

Front

What is the definition of congruent angles?

Back

Congruent angles are angles that have the same measure.