Geometry Terms
Angles
Polygons
Triangles
Quadrilaterals
100

A straight path of points that goes on forever in both directions.

Line
100

An angle measuring 90 degrees.

Right Angle

100
A 4-sided polygon.
What is a quadrilateral?
100

The number of degrees in every triangle.

180 degrees

100

Name the shape: A quadrilateral with one pair of parallel sides.

Trapezoid

200

A characteristic or feature of a shape.

Attribute

200

An angle measuring less than 90 degrees.

Acute Angle
200

What is a shape with straight lines called?

A polygon

200

These are the three types of triangles according to their angles.

acute, obtuse, and right

200

The total number of degrees in every quadrilateral.

360 degrees

300

The space (usually measured in degrees) between two intersecting lines.

Angle

300

An angle measuring more than 90 degrees.

Obtuse Angles

300
A 6-sided polygon.
What is a hexagon?
300

These are the three types of triangles according to their sides.

equilateral, isosceles, and scalene

300

Name the polygon: A parallelogram with all four sides the same length and angles that are SOMETIMES right angles.

Rhombus

400

A group of shapes that share attributes.

Category
400

What is the greatest number of obtuse angles a triangle can have?

One

400

List 5 different quadrilaterals.

Squares, Rectangles, Parallelograms, Rhombus, Trapezoid

400

The missing angle if a triangle has angles measuring 45, 90, and ______ degrees.

45 degrees

400

The missing measurement of a quadrilateral with these angles: 50 degrees, 98 degrees, 75 degrees, and __________.

137 degrees

500

A diagram that uses overlapping ovals to show how categories and subcategories are related.

Venn Diagram

500

What do we call a triangle with a 90-degree angle?

Right triangle

500

What type of polygon do you create if you stack a triangle on top of a square (like a house)? Think about the number of sides.

Pentagon

500

True or False: Is an isosceles triangle always an equilateral triangle?

False

500

What are three shapes that are also parallelograms?

squares, rectangles, and rhombuses

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