17 questions
A triangle with 3 angles that each measure less than 90 degrees is called an ___.
obtuse triangle
acute triangle
right triangle
A triangle with 1 angle that measures more than 90 degrees is called an ___.
obtuse triangle
acute triangle
right triangle
A triangle with 1 angle that measures EXACTLY 90 degrees, which is shown with a box, is called a ___.
obtuse triangle
acute triangle
right triangle
A triangle with 3 congruent sides and 3 angles that each measure 60 degrees is called an ___.
equilateral triangle
isosceles triangle
scalene triangle
A triangle with 2 congruent sides and 2 congruent angles is called an ___.
equilateral triangle
isosceles triangle
scalene triangle
A triangle with no congruent sides and no congruent angles is called a ___.
equilateral triangle
isosceles triangle
scalene triangle
A 4-sided 2-dimensional figure is called a ___.
triangle
quadrilateral
pentagon
A quadrilateral where opposite sides are parallel and equal in length and opposite angles are equal is called a ___.
parallelogram
quadrilateral
trapezoid
A quadrilateral with only one pair of opposite sides (called bases) that are parallel is called a ___.
parallelogram
quadrilateral
trapezoid
A 3-dimensional object with 4 faces that are rectangles and 2 bases that are rectangles is called a ___.
quadrilateral
rectangular prism
parallelogram
Any of the flat surfaces on a 3-dimensional object are called ___.
edges
faces
vertices
Points or corners where two or more edges of a figure touch are called ___.
edges
faces
vertices
Lines that connect two vertices in a figure are called ___.
edges
faces
vertices
The amount of space inside a 2-dimensional figure that is measured in square units is called ___.
perimeter
area
volume
When finding area, the ___ is one edge of the polygon.
base (b)
base (B)
The amount of space a 3-dimensional object takes up that is measured in cubed units is called ___.
perimeter
area
volume
In 3-dimensional objects, the face that is used to name it is called the ___. When finding volume, is also represents the area of the base.
base (b)
base (B)