math vocabulary unit 1: geometry what am i? ©mrs. deamicis - 2009
TRANSCRIPT
Math VocabularyUnit 1: Geometry
What am I?
©Mrs. DeAmicis - 2009
See if you can correctly name the geometry terms!
Try using the clues in the sentences to name the term.
I am a location in space. What am I called?
point!
.
I am made up of two points and
the straightpath between
them. What am I?
line segment!
We are the two points in a line segment.
What are we?
endpoints!
I am a straight path that has a starting point and goes on forever in one direction. What am I?
ray!
I am a straight path that goes on forever in both directions.
What am I?
line!
I am formed by 2 rays or 2 line segments that share the same endpoint. What am I?
angle!
<
I am the point where the rays of an angle,
the sides of a polygon, or the
edges of a polyhedron meet.
vertex
I am an angle that measures 90°. What am I called?
right angle
L
I am an angle that measures between
0° and 90°. What am I?
acute angle
>
I am the angle that measures between 90° and 180°. Who am I?
obtuse angle
∑
I am an angle that measures 180°. What
am I?
straight angle
I am an angle that measures between 180° and 360°. What
am I called?
reflex angle
I am a shape with three sides.What am I?
triangle
I am a polygon that has four sides and
four angles. What am I?
quadrangle or quadrilateral
How many quadrangles can you
name?
I am a quadrilateral that has two pairs of
parallel sides. My opposite sides are
congruent.
parallelogram
I am a closed, 2-dimensional figure that
is made up of line segments joined end to end. My line segments
may not cross.
polygon
I am a polygon in which at least one vertex is “pushed
in.” What am I called?
concave polygon
I am a polygon in which all vertices are “pushed outward.” What am I called?
convex polygon
I’m a quadrilateral whose sides are all
the same length. What is my name?
rhombus
I am a quadrilateral that has exactly one pair of parallel sides.
What am I?
trapezoid
Well Done!