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#How many angles are formed when three lines intersect with each other?
#How many angles are formed when three lines intersect with each other?
#How many angles are enclosed by the triangle?
#How many angles are enclosed by the triangle?
* '''Evaluation at the end of the activity'''
# Can there be a closed figure with less than three sides?
# Can the vertices of the triangle be anywhere on a plane?
# What will happen if the three vertices are collinear?
[[Category:Mathematics]]
[[Category:Mathematics]]
[[Category:Triangles]]
[[Category:Triangles]]