Question

Please help out. I'm lost. I don't understand this :/

Answer 1

scalene triangle is a triangle with no congruent sides
isosceles triangle is a triangle with at least 2 congruent sides (i.e. 2 or 3 congruent sides)
equilateral triangle is a triangle with exactly 3 congruent sides.

Graph 15 is an isosceles triangle

Answer 2

Step-by-step explanation:

15 . triangle on number 15 is an isoseles because it has two sides that are equal

and also it has two angles that are equal

16. it is a scalene beacause it has no side that is equal furthermore its angles are not the same they are all different