Optional EC Practice - Unit 1 Part A

Front

What is the term for figures that have the same shape and size?

Back

Congruent

Front

What is an object that represents one specific location in space and is represented by a dot?

Back

Point

Front

What do we call two lines that intersect at a right angle?

Back

Perpendicular

Front

What is the term for a straight path that extends infinitely in both directions?

Back

Line

Front

What type of angle measures exactly 90 degrees?

Back

Right Angle

Front

What is the term for a part of a line that has two endpoints?

Back

Line Segment

Front

What do we call two lines that never meet and are always the same distance apart?

Back

Parallel Lines

Front

What is the term for an angle that measures less than 90 degrees?

Back

Acute Angle

Front

What is the term for an angle that measures more than 90 degrees but less than 180 degrees?

Back

Obtuse Angle

Front

What is the term for a part of a line that starts at a point and extends infinitely in one direction?

Back

Ray