Lines, Angles & Triangles

Front

What is a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape in some way to produce a new shape. Common transformations include translation, rotation, reflection, and dilation.

Front

Define translation in geometry.

Back

Translation is a type of transformation that slides a shape from one position to another without turning it or flipping it.

Front

What is rotation in geometry?

Back

Rotation is a transformation that turns a shape around a fixed point, known as the center of rotation, by a certain angle.

Front

Define reflection in geometry.

Back

Reflection is a transformation that flips a shape over a line, creating a mirror image of the original shape.

Front

What is the relationship between angles formed by intersecting lines?

Back

When two lines intersect, they form pairs of angles that are either vertical angles (which are equal) or adjacent angles (which are supplementary, adding up to 180 degrees).

Front

What is a bisector in geometry?

Back

A bisector is a line, segment, or ray that divides an angle or a segment into two equal parts.

Front

How do you find the length of a line segment given two endpoints?

Back

Front

What is the midpoint of a line segment?

Back

Front

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

Back

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

Front

What is the Pythagorean theorem?

Back