Question

how to classify the Triangles according to their sides and angles

Answer 1

if in a triangle
a. All sides are equal = equilateral triangle
b. two sides are equal = isosceles triangle
c. no sides are equal =scalene triangle
on the basis of angles
a. right angled triangle
b. acute angled triangle
c. obtuse angled triangle

Answer 2

sides= 1) Equlilateral triangle
2)Isoscelrs triangle
3) Scalene triangle
angles=1) acute angled triangle
2) Obtuse angled triangle
3) Right angled triangle