Answer:
2.6
Step-by-step explanation:
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Answer:
just simplify it ...
Step-by-step explanation:
- 4a-b+4b-a=180
- 3a+3b=180
- 3(a+b)=180
- both sides divide by 3
- a+b =60
- b=60-a
Wouldn’t it just be a and b
Answer:
ΔCTA ≅ ΔDRA
Step-by-step explanation:
Triangles CTA and DRA are congruent by ASA postulate. This is because:
- ∠A is the same for both triangles (they are opposite angles)
Then, correspondent angles and sides are congruent, for example, ∠3 ≅ ∠4
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