Vocabulary 1
A quadrilateral that has two sides parallel each other
trapezoid
A quadrilateral with four equal sides and four right angles
square
A three sides, three angle figure
Triangle
What type of angles do a triangle have?
acute
What are the four types on angles we have learned?
acute, right, obtuse, straight
A four-sided closed figure with four sides/vertices
quadrilateral
Formed by two rays with the same end point
angle
How many parallel lines on a triangle?
Zero
Name two figures with four right angles
square and rectangle
What is the name of the polygon with 7 sides?
heptagon
A parallelogram with all four sides forming right angles
rectangle
A six-sided polygon
hexagon
How many pairs parallel lines on a trapezoid?
Describe an obtuse angle
An angle greater than 90 degrees
What is a closed flat figures formed by three or more segments?
polygon
A five-sided polygon
pentagon
A parallelogram with 4 congruent sides
rhombus
Name a figure with 2 pairs of parallel lines
parallelogram
Describe a right angle
An angle exactly 90 degrees
what are the names of the polygons with 5 and 10 sides?
pentagon and decagon
A quadrilateral that has two sides parallel each other
parallelogram
The point of intersection of two sides of a polygon
vertices
Name the five types of quadrilaterals
rhombus, trapezoid, square, rectangle, parallelogram
Describe an acute angle
An angle less than 90 degrees
Flat shapes that have an area but not a volume
two-dimensional shapes