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Question:

A picture frame has dimension 80m by 60m. Find the length of the diagonal of it.

Answer:

Given, length of picture frame = 80 cm 

and breadth of picture frame = 60 cm

Now, length of the diagonal of picture frame = √{(length)2 + (breath)2 }

                                                                 = √{(80)2 + (60)2 }

                                                                 = √{6400 + 3600 }

                                                                 = √(10000)

                                                                 = 100 cm

So, the length of the diagonal of picture frame = 100 cm

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