Triangles
A triangle with a right angle
What is a right triangle?
A quadrilateral that has 2 sets of parallel sides
What is a parallelogram?
A special face on the bottom and sometimes top of a figure
What is a base?
A figure with three triangle faces as well as a triangle base
What is a triangular pyramid?
An angle of 90 degrees
What is a right angle?
A triangle with 3 angles less than 90 degrees
What is an acute triangle?
A quadrilateral with 4 right angles and 2 sets of congruent sides
What is a rectangle
The corner point of a figure
What is a vertex?
A pyramid with both triangular and rectangular faces
What is a rectangular pyramid?
An angle less than 90 degrees
What is an acute angle?
A triangle with one angle greater than 90 degrees
What is an obtuse triangle?
A quadrilateral that has at least 1 set of parallel sides
What is a trapezoid?
Sides of equal length
What are congruent sides?
A figure with no bases or faces
What is a sphere?
An angle greater than 90 degrees
What is an obtuse angle?
A triangle with 2 congruent sides
What is an isosceles triangle?
A quadrilateral with 4 congruent sides
What is a rhombus?
What are parallel sides?
The peak of a figure (think cone or pyramid)
What is an apex?
An angle that measures 93 degrees
What is an obtuse angle?
A triangle with no equal sides
What is a scalene triangle?
A quadrilateral that is considered both a rectangle and a rhombus
What is a square?
Two sides intersect and form a 90 degree angle
What are perpendicular sides?
A figure with 4 triangular faces and a rectangular base
What is a rectangular pyramid?
The angle measurement of a straight line
What is a 180 degree angle?