Answer:
4
Step-by-step explanation:
There are 4 ways to ignore one of the points. The other 3 can be connected to form a triangle.
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More formally, the number of ways that 4 items can be chosen 3 at a time is given by ...
... C(4, 3) = 4!/(3!(4-3)!) = 4/1 = 4
Answer: It is B - 40
Step-by-step explanation:
40-23 = 17
Answer:
4 meters
Step-by-step explanation:
7-3=4 m