# Two parallel lines intersected by another line   A B 1 1 2 2 3 3 4 4 1. Corresponding angles (sehadap) Corresponding angles are congruent  A1 =  B1.

## Presentation on theme: "Two parallel lines intersected by another line   A B 1 1 2 2 3 3 4 4 1. Corresponding angles (sehadap) Corresponding angles are congruent  A1 =  B1."— Presentation transcript:

Two parallel lines intersected by another line   A B 1 1 2 2 3 3 4 4 1. 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 1 1 2 2 3 3 4 4 3. 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 = 180 0  A3 +  B2 = 180 0 Created by ﺟﻴﻄ ‘12

  A B 1 1 2 2 3 3 4 4 5. Same-side/consecutive exterior angles (luar sepihak) Same-side exterior angles are supplementary  A1 +  B4 = 180 0  A2 +  B3 = 180 0 Created by ﺟﻴﻄ ‘12

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