Question

answer fastly with mind

Answer 1

Answer:

A triangle has six elements – 3 sides and 3 angles. To construct a unique triangle, 3 elements out of six elements are required under a certain combination

Step-by-step explanation:

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Answer 2

Answer :

6

Step by step explanation:

Because you need atleast 3 sides which lead to 3 angles.

So 3 angles and 3 sides are 3+3= 6 elements

Without these the polygon would not be called a triangle (a polygon with 3 sides)