This video provides an explanation of the worksheet 2 of 2, titled: 4th Grade - Geometry: Angles, Triangles, Lines; it is found inside the 4th Grade "Math bOX" binder.
Parent:
You will have your child to write a complete sentence, whereby s/he will solve for an unknown angle degree that's along an actual line.
Lesson Goal:
Know that a line has a degree measurement of 180,
Know what perpendicular line segments look like.
Know that a rectangle split diagonally forms two right triangles.
