6* How many triangles are determined by nine
points no three of which lie on the same straight lines?
a. 504
b. 21
C. 6
d. 84
points no three of which lie on the same straight lines?
a. 504
b. 21
C. 6
d. 84
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Answer:
6.How many triangles are determined by nine
How many triangles are determined by ninepoints no three of which lie on the same straight lines?
B. 21
Step-by-step explanation:
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