Samantha's Angle Lesson


Right Angles

  • exactly at 90 degrees
  • an example is the corner of a desk

Acute Angle

Acute angles are smaller than 90 degrees,and bigger than 0 degrees. An example is ... between a butterflies wings.

Here is a photo of one ...

Obtuse Angles

  1. measures more than 90 degrees
  2. an example is when you take your fingers and hold them apart. your thumb and your pointing finger make an obtuse angle

Crazy Angles

Straight Lines

Straight Line

  • measures exactly 180 degrees
  • an example is the top of posters


Now you know and learned about acute, obtuse, right angles,and straight lines.