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Sagot :
Answer:
- 30°
Step-by-step explanation:
The angle between two secants is half the difference of intercepted arcs.
- m∠ACB = 1/2(mAB - mDE)
Substitute the arc values and calculate
- m∠ACB =1/2(80° - 20°) = 1/2(60°) = 30°
Answer:
∠ACB = 30°
Step-by-step explanation:
Finding ∠ACB :
- ∠ACB = 1/2 x (∡AB - ∡DE)
- ∠ACB = 1/2 x (80° - 20°)
- ∠ACB = 1/2 x 60°
- ∠ACB = 30°
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