Geometry is cool!
Perpendicular lines are found everywhere- even on road signs!
Even power lines intersect!
Their sides ALWAYS add up to 180 degrees.
There are five types of triangles.
Obtuse/ Scalene Triangle
Its opposite sides are parallel.
Its opposite sides are also congruent.
Their opposite sides are congruent.
It can be a rhombus, parallelogram, or a rectangle.
A square is also a regular polygon.
The Acute Angle
They can be found everywhere!
The Obtuse Angle
The Right Angle
The Straight Angle
They are basically just a straight line.