All Tasks
Determining the angle
The two horizontal lines are parallel to each other.
Determine the angel α.
α = ___ °
# Angles
Training
6
Relation of angles
In the image you can see two parallel lines cut by a trasversal. What’s the relation between the angles α and β?
# Angles
Training
6
Relation of corresponding angles
In the image you can see two parallel lines cut by a trasversal. What’s the relation between the angles α and β?
# Angles
Training
6
Relation of alternate angles
In the image you can see two parallel lines cut by a trasversal. What’s the relation between the angles α and β?
# Angles
Training
6
Angles of parallel lines
Which straight lines are parallel?
# Angles
Reasoning
6
Angles of a triangle
The relation between the 3 angles of a triangle is:
# Congruences & basic constructions
# Angles
Reasoning
6