find the perimeter of rectangle whose length is 40cm and diagnol is 41cm. plz plz plz
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Answered by
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By using pythagoras theoram
we can find its breadth
41²=b²+40²
b²=41²-40²
b²=81
b=√81
b=9cm
Now, perimeter of rectangle=2(l+b)
=2(40+9)
=98 cm
Hope it will help u.
we can find its breadth
41²=b²+40²
b²=41²-40²
b²=81
b=√81
b=9cm
Now, perimeter of rectangle=2(l+b)
=2(40+9)
=98 cm
Hope it will help u.
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