What is an exact location in space called?
A point
What kind of shape has 4 right angles and 4 equal sides?
A square
Type of line that has two endpoints.
A line segment
What kind of angle is exactly 90 degrees?
A right angle
Which two lines are parallel?
Lines s and t
What is a straight path of points that goes on and on in two directions called?
A line
What shape has 4 right angles, two-sets of parallel sides, and opposite sides that are equal?
A rectangle
Part of line that has one end point and continues forever in the other direction.
A ray
What kind of triangle has all angles that are less than 90 degree?
An acute triangle
Which two lines appear to be perpendicular?
Lines r and u
What kind of line goes straight up and down?
A verticle line
What kind of shape is a quadrilateral with only one pair of parallel sides?
A trapezoid
What kind of lines never intersect?
Parallel lines
What kind of triangle has one angle greater than 90 degrees and two acute angles?
Obtuse triangle
What kind of lines are these?
Intersecting lines
What kind of line goes straight from left to right?
A horizontal line
What kind of shape is a quadrilateral with 2 pairs of parallel sides?
A parallelogram
What kind of lines cross or touch?
Intersecting lines
What is a triangle with one angle that measures exactly 90 degrees called?
A right triangle
What kind of triangle is this?
A right triangle
If a shape can be folded on a line to form two equal halves that fit on top of each other, it has a ________ ___ ___________.
line of symmetry
What is a quadrilateral that has opposite sides that are parallel and all of its sides are the same length?
A rhombus
What kind of lines cross at a 90 degree angle?
Perpendicular lines
What kind of angle is greater than 90 degrees?
An obtuse angle
What kind of triangle is this?
An obtuse triangle