Answer:
Step-by-step explanation:
Which one dear.....please attach it
In geometry, the definition of a triangle is a two-dimensional closed figure with three sides. Aside from this, it is proven that the sum of the angles of a triangle is 180°. This is a triangle's innate property. Therefore, any closed shape with three sides is a triangle and it follows that the sum of the three angles is equal to 180°.
It is logical therefore, that the first step in proving this is by using the definition of a triangle.
Answer:
Dear we can't give you an answer without the options.
Step-by-step explanation:
ratios that are equivalent to 6:9 are however
2:3, 6:9, 12:18, 18:27, 24:36, 30:45 I believe.