Priya wants to arrange her rectangular family photograph in the middle of a rhombus shaped photo frame. To adjust the photo in theframe, she needs to find the proper size of the available rectangle and hence, she takes a paper exactly equal to the size of the frame and identifies the rectangle available in the middle of the frame by paper folding activity.
Q. 1How can Priya be confirmed about the shape of the frame to be a rhombus?
Q.2. Why paper folding method is adopted by Priya?
Q.3. Explain the geometrical principle underlying the activity and justify.
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- if all sides are quadrilateral are congruent, then it is a rhombus.
- if dignoal of a quadrilateral biscet all the angles then it is rhombus.
In the goementry of paper folding, a straight line becomes a crease or a fold. Instead of drawing a straight line, one fold a piece of paper and flatness increases.
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