What shape is your instrument box?

One of the two set squares in your instrument box has angles of measure 30^(@) - 60^(@) - 90^(@) Take two such identical set - squares .Place them side by side to form a kite like the one shown here . How many lines of symmetry does the shape have ? Do you think that some shapes may have more than one line of symmetry ?

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What do you mean by instrument error?

What shape is A, sweet laddu?