(a) A ⊂ B; (b) A ⊃ B; (c) A ⊆ B; (d) A⊇ B

1.	(a) A ⊂ B; (b) A ⊃ B; (c) A ⊆ B; (d) A⊇ B
Answer» IfA ={x\|x is a polygon}, B ={x\|x is a triangle} then A⊃ B. The given question is based on subsets and supersets and properties of geometric shapes.

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