Show:
rays
line segments
lines
symmetry
angles
100

one dot on one side and a arrow on the other side

What does a ray look like

100
It has to dots one one each end.
What does a line segment look like?
100
it has a arrow on each end
What does a line look like?
100
4.
how many lines of symmetry does a square have?
100

Right angle

What is 90 degrees?

200

one dot, a line, and then one arrow

What is a ray

200
A line that has a ending point.
What is a line segment?
200
a line witch both ends have no end.
What is a line?
200
how many lines of symmetry does an octagon have?
8
200

Obtuse angle

between 90 and 180 degrees

300

This is like the light from a lighthouse

A ray

300

a dot, a line, and another dot

A line segment

300

Two lines that cross at perfectly 90 degree angles

What are perpendicular lines?

300

Crossing lines that have two acute angles and two obtuse angles

What are perpendicular lines?

300

An angle less than 90 degrees.

What is an acute angle?

400
a point
what does a ray start from
400

two lines that cross at an accute or obtuse angle

What are intersecting lines?

400

An arrow.

What does a line start from?

400
3
How many lines of symmetry does a triangle have?
400
90 degrees.
What value does a right angle have?
500

Two lines that will never cross

parallel lines

500

Goes on forever in one direction only.

What is a ray?

500

Greater than 90 degrees but less than 180 degrees

What is an obtuse angles?

500

Goes on forever

What is a line?

500

Two lines that stay the same distance apart

parallel lines