Loading...
This Is What We Have Learned 2Loading...
4th Grade AMP 23-24TOPIC 8!!!
With:Alyssa Darian Ayala, and Sarah Karcz González
Topic 8-1
This picture is called a diagram
Lines that NEVER meet are called parallel lines.
Lines that meet are called intersecting lines.
A ray is a line that only has one arrow.
A point shows an exact location
Remember!!!
theese are the symbols of the lines.
You can name the lines with letters
Intersecting lines
Point
Parallel lines
8-2
¡Measuring and classifying angles!
¡Measuring and classifying angles!
An angle is formed by 2 rays that have the same end point. We usually measure angles in degrees (*)
When three letters are used, the middle letter names the vertex
8-3
The figures in the left are irregular polygons.They don’t have a rule or a measurment.
Tell if the polygon is irregular polygon or regular.
______________________________________________
regular
You can classify triangles by the lengths of their sides and the sizes of their angles.
equilateral
all sides the same length
all sides the same length
acute
all angles less than 90*
all angles less than 90*
right
one right angle*
one right angle*
obtuse
one obtuse angle
one obtuse angle
scalene
no sides the same length
no sides the same length
isosceles
two sides the same length
two sides the same length
8-4!!!!!