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Two parallel lines intersected by another line A B Corresponding angles (sehadap) Corresponding angles are congruent A1 = B1 A2 = B2 A3 = B3 A4 = B4 2. Alternate interior angles (dalam berseberangan) Alternate intirior angles are congruent A4 = B2 A3 = B1 Created by ﺟﻴﻄ ‘12
A B Alternate exterior angles (luar berseberangan) Alternate exterior angles are congruent A1 = B3 A2 = B4 4. Same-side/consecutive interior angles (dalam sepihak) Same-side interior angles are supplementary A4 + B1 = A3 + B2 = Created by ﺟﻴﻄ ‘12
A B Same-side/consecutive exterior angles (luar sepihak) Same-side exterior angles are supplementary A1 + B4 = A2 + B3 = Created by ﺟﻴﻄ ‘12
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