GREAT MINDS THINK ALIKE!
GEOMETRY
Different Angles
RIGHT ANGLES
An angle that measures exactly 90 degrees.
Ex. Chalk Board
STRAIGHT ANGLE
Measures exactly 180 degrees
Ex. The ground
Mr.Right
( Right Angle )
Mrs.Obtuse
( Obtuse Angle )
Baby Acute
( Acute Angle )
TYPES OF TRIANGLES
Acute Triangle
There are 3 acute angles in this triangle.
Right Triangle
There is 1 right angle in this triangle.
Obtuse Triangle
There are 1 obtuse angle and 2 acute angles in this triangle.
Scalene Triangle
There are NO congruent and NO angles are congruent in this triangle.
Isosceles Triangle
There are 2 congruent sides and 2 congruent angles.
Equilateral Triangle
There are 3 congruent sides and 3 congruent angles.
Learn More About Triangles
Quadrilateral Land
Quadrilateral
What is a quadrilateral you might ask, a quadrilateral is a 4 sided polygon and the sum of all the angles are 360 degrees.
Rectangle
A rectangle is a quadrilateral and all the sides are right angles = 90 degrees. The opposite sides are both congruent and parallel.
Rhombus
A rhombus is a quadrilateral and the opposite angles are congruent. The opposite sides are both parallel and congruent.