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Could someone please help? Please show work or explain how you got it.

 May 22, 2021
 #1
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-1

You can make 14 distinct triangles.

 May 22, 2021
 #2
avatar+61 
+1

could you please explain?

smonke  May 22, 2021
 #3
avatar+113617 
+1

No three of these points are collinear.  (in a line) so if you choose any 3 points you will make a triangle.

 

There are 7 dots so there are   7C3 ways to choose three of them to form a triangle.  (the C actually stands for combinations, or in my thoughts, choose) 

 

7C3 = 35 ways

 May 22, 2021

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