Triangles
Acute Triangles
3 Acute angles
triangle
3 sides 3 angles all triangles add up to 180 degrees
polygon
a shape with many sides
Right Angles
Less then 90 degrees
Quadrilaterals
4 sides 4 angles
Right Triangle
1Right angle
2 Acute angles
Square
4 equal sides 4 right angles
pentgon
5 sides and 5 angles
sum of angles 540 degrees
Acute angles
Less then 90 degrees
Square
4 equal sides 4 right angles opposite sides parallel
Obtuse Triangle
1 obtuse angles
2 Acute angles
Rectangle
2 sets of equal sides
4 right angles
Hexagon
7 sides 7 angles
sum of angles 720 degrees
obtuse Angle
more then 90 degrees
Rhombus
2pairs of parallel lines
4 equal sides
opposite angles congruent
Equilateral Triangle
All sides congruent
Circle
the total angle of a circle is 360
constant diameter and radius
triangle
3 sides and 3 angles
sum of angles 180
circle angle
360 degrees
trapezoid
4 sides an of at least one pair of parallel lines
What are the angles<|
180 degrees
Rhombus
all sides the same length
2 sets of equal angles
2 lines of symmetry
octagon
8 sides 8 angles
sum of angles 1080
what is 180 the degree of?
A straight line
parallelograms
4 sides opposite sides parallel opposite angles are congruent