The type of triangle with all sides congruent (equal).
What is equilateral triangle?
A line in one direction forever.
What is a ray?
A shape with 5 sides.
What is a pentagon?
The distance from the center of a circle to the side.
What is the radius?
An angle greater than 90 degrees and less than 180 degrees.
What is an obtuse angle?
The type of triangle with no congruent (equal) sides or angles.
What is scalene triangle?
A line that separates mirrored sides of a shape.
What is a line of symmetry?
This quadrilateral has four sides and ONE set of parallel sides.
What is a trapezoid?
The formula for the area of a circle.
What is Pi x r squared?
An angle that is 180 degrees.
What is a straight angle?
The type of triangle with one angle greater than 90 degrees.
What is an obtuse triangle?
A shape that is 3D, open, and has curvy lines.
What is a nonpolygon?
Lines that never intersect.
What are parallel lines?
The area formula of a triangle.
What is 1/2 x base x height?
An angle less than 90 degrees.
What is an acute angle?
The type of triangle with one 90 degree angle and two congruent (equal) sides.
Looking for TWO names!
What is a right isosceles triangle?
A line between two points.
What is a line segment?
Lines that intersect at a 90 degree angle.
What are perpendicular lines?
What is a polygon?
90 degree angle.
What is a right angle?
A triangle with three angles less than 90 degrees.
What is an acute triangle?
Two angles that add together to make a 90 degree angle.
What are complementary angles?
A four sided shape with four right angles and opposite sides are parallel.
What is a rectangle or square?
A seven-sided shape.
What is a heptagon?
Angle more than 180 degrees.
What is a reflex angle?