TASK 3:
1. ∠ RAT and ∠BAS
2. ∠ FAT and ∠BAC
3. ∠ SAT and ∠CAR
4. ∠ BAS and ∠ RAF
5. ∠ CAB and ∠ FAT
TASK 4:
1. 60°
2. 90°
3. 130°
1. m∠a = 180° - 120° = 60°
2. m∠c = 180° - 90° = 90°
3. m∠e = 180° - 50° = 130°
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Answers & Comments
TASK 3:
1. ∠ RAT and ∠BAS
2. ∠ FAT and ∠BAC
3. ∠ SAT and ∠CAR
4. ∠ BAS and ∠ RAF
5. ∠ CAB and ∠ FAT
TASK 4:
1. 60°
2. 90°
3. 130°
1. m∠a = 180° - 120° = 60°
2. m∠c = 180° - 90° = 90°
3. m∠e = 180° - 50° = 130°