Vocab review Geometry

An angle that measures 90 degrees.

A triangle with one right angle and two acute angles.

A special type rectangle and special type of rhombus.

4 sides

4vertices

all sides congruent

2 pairs of parallel sides

2 pairs of perpendicular sides and 4 right angles.

Lines that meet or cross at a point.

A polygon with 3 sides and 3 vertices.

A part of a line that has one endpoint and goes on forever in the other direction

• Line

• Ray

• Line Segment

• Angle

Answer explanation

A ray is a part of a line that has one endpoint and extends infinitely in the other direction, making it the correct choice for the given question.

This 3D object has no sides/faces, and no corners

• circle

• pyramid

• cube

• sphere

Answer explanation

A sphere is a 3D object with no sides/faces or corners, making it the correct choice in this scenario.

A line segment is 

• an exact location

• part of a line

• two rays that form an angle

• a vertex

Answer explanation

A line segment is part of a line, not an exact location, two rays forming an angle, or a vertex. It is a finite portion of a line connecting two points.

Landry drew a flag with exactly one pair of perpendicular sides. Which of these could be the shape of the flag?

• Right triangle

• Acute triangle

• Rectangle

• Square

Answer explanation

The correct choice is a right triangle because it has one pair of perpendicular sides, making it a valid shape for Landry's flag.

Maribel drew a shape. The shape has exactly one pair of opposite sides that are parallel. None of the sides are perpendicular to each other.

What shape can be the one Maribel drew?

• Trapezoid

• Rhombus

• Square

• Rectangle

Answer explanation

The shape with one pair of opposite sides parallel and none perpendicular is a Trapezoid.