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1. how many rays can be drawn on a line with 14 points?
2. How many points are on the same line if it can produce 78 segments?
3. How many points are on the same life if it can produce 68 rays?

Show your solution and answer​

Sagot :

ALTHEAPENARUBIAGO

Answer:

1). Number of straight lines = ₁₄C₂ = 14!/(12!2!) = 91

2). 14c3-4c3=360

3). 2 line segment only has one

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