Question
Find which of the following are true:
1.All rhombuses are squares
2.All squares are rectangles
3.All rectangles are parallelograms
4.All parallelograms are quadrilaterals
5.All parallelograms are rhombuses
1.All rhombuses are squares
2.All squares are rectangles
3.All rectangles are parallelograms
4.All parallelograms are quadrilaterals
5.All parallelograms are rhombuses
Answer: Option B
:
B
Let us analyze them:
So, only 2, 3 and 4 are true.
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:
B
Let us analyze them:
- Squares have all angles =90∘, which is not true for rhombuses.
- Rectangles have opposite sides equal and all angles =90∘, true for squares.
- Rectangles have opposite sides equal and parallel, true for parallelograms.
- Parallelograms have 4 sides, true for quadrilaterals.
- Parallelograms may have unequal sides, not true for rhombuses.
So, only 2, 3 and 4 are true.
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