How many triangles can be drawn by means of 9 non-collinear point… - Vidyadip

MCQ

How many triangles can be drawn by means of $9$ non-collinear points

✓
$84$
B
$72$
C
$144$
D
$126$

✓

Answer

Correct option: A.

$84$

a
(a) The number of triangles are $^9{C_3} = 84$.

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