what are some shapes in a triangles shape set

Question

this is for school sence none of my parents are home and my teacher was appsent today and i have no one to ask .

Answer 1

Equilateral - three sides equal

Isosceles - two sides equal

Scalene - no sides equal

 

Acute - one angle less than 90°

Right - one angle equal to 90°

Obtuse - one angle greater than 90°