Triangles
How many sides does a triangle have
3
What quadrilateral has two sets of parallel sides, opposite sides are equal, no right angles
Parallelogram
What line has 1 point and goes in only 1 direction forever?
ray
What angle makes a perfect square?
right angle
Can a polygon have curved sides?
no
True or False
A triangle is a polygon
True
What shape has only 1 set of parallel sides?
trapezoid
What is a piece of a line with two points?
line segment
What angle is less than a right angle?
acute
What is the name of a 5 sided shape?
pentagon
What is an equilateral triangle
a triangle with all equal sides
What shape has 4 equal sides and 4 right angles?
square
When two lines or line segments cross over each other they are called?
intersecting lines.
What angle is bigger than a right angle?
obtuse
What is the name of a 6 sided shape?
Hexagon
What is a right triangle?
A triangle with 1 right angle
What shape has 4 equal sides and no right angles?
What are two lines or line segments that are an equal distance apart?
parallel lines or parallel line segments
When two lines intersect and create right angles, they are called ...
Perpendicular
What is the name of an 8 sided shape?
octagon
What is a scalene triangle?
A triangle with 3 unequal sides
What shape has opposite equal sides and 4 right angles?
Rectangle
What is the name of a shape that appears to have a dent in it? (convex or concave?)
Concave