What can you say about the quadrilateral ABCD given in figure10.22?Is it a rectangle?Justify your answer.
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yes it is a rectangle...
if you want , I can write a derivation..
a parallelogram with all sides equal becomes a rhombus, a rhombus with all angles 90° becomes a square, a parallelogram with all sides 90° becomes a rectangle..... I may.. or may not have given the correct answer.. if not, then this hint will definitely help you find your answer........ hoping that the derivation is useful for you to find the answer..... you yourself can find the answer with this one very hint....
if you want , I can write a derivation..
a parallelogram with all sides equal becomes a rhombus, a rhombus with all angles 90° becomes a square, a parallelogram with all sides 90° becomes a rectangle..... I may.. or may not have given the correct answer.. if not, then this hint will definitely help you find your answer........ hoping that the derivation is useful for you to find the answer..... you yourself can find the answer with this one very hint....
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