Geometry Terms
An exact location in space
DOUBLE JEOPARDY!!!!
What is a point
Draw an angle SKZ.
Answers may vary.
Angles that are greater than 90 degrees
Obtuse Angles
Polygons with four sides and four vertices
quadrilaterals
Triangles that have all sides equal
equilateral triangles
Something that goes on forever in each direction.
A line
Lines that go the same direction and never touch.
Parallel Lines
Angles that are equal to 180 degrees
Straight Angle
Polygons with three sides and three vertices
DOUBLE JEOPARDY!!!!
triangles
Triangles that have no equal sides
scalene triangles
Part of a line with endpoints on either end.
line segment
Lines that intersect to form a right angle.
DOUBLE JEOPARDY!!!!
Perpendicular lines
Angles that are equal to 90 degrees
Right Angle
Polygons with five sides and five vertices
pentagon
Triangles that have two equal sides
isosceles triangles
Beginning with an endpoint and going on forever and ever in the opposite direction.
ray
Lines that cross each other.
intersecting lines
Angles that are greater than 90 degrees
Acute Angles
Polygons with six sides and six vertices
hexagon
Triangles that have three angles less than 90 degrees
DOUBLE JEOPARDY!!!!
acute triangles
Where two sides of a shape meet at an endpoint. Also, where two rays meet to form an angle.
Vertex
Draw and label one set of parallel lines and one set of perpendicular lines.
Answers may vary.
The number of degrees in a triangle
DOUBLE JEOPARDY!!!!
180 degrees
90 degrees
Triangles that have one angle greater than 90 degrees
obtuse triangles