Question

Given, A = {Triangles}, B = {Isosceles triangles}, C = {Equilateral triangles}. State whether the following are true or false. Give reasons.

(i) A ⊂ B

(ii) B ⊆ A

(iii) C ⊆ B

(iv) B ⊂ A

(v) C ⊂ A

(vi) C ⊆ B ⊆ A

Answer 1

A = {Tringles}

B = {Isosceles triangles}

C = {Equilateral triangles}