Missing angles in triangles and quadrilaterals
Method
1. Angles in a triangle = 180 degrees
___ + ___ + ___ = 180
2. Angles in a quadrilateral = 360 degrees
___ + ___ + ___ + ___ = 360
3. Equilateral = all angles = 60 degrees
Right angle = 1 angle 90 degrees
Isosceles = 2 equal sides
Scalene = no angles the same
How it could look in your book
For more practice of Missing angles in triangles and quadrilaterals, download question sets by year group:
Subscription Required
You need an active subscription to download teaching video question sets. Subscribe below to access all downloadable resources.