Mathematics for IGCSE & O level - Angles (Section 3 - No. 49)
Which of the following are properties of parallel lines cut by a transversal?
Corresponding angles are equal.
Alternate interior angles are equal.
Co-interior angles add up to 180°.
Adjacent angles are always equal.
คำอธิบาย
Correct options are based on the theorems of parallel lines and transversals.