find the perimeter of a rectangle whose length is 40 cm and a diagonal is 41 CM
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length of a rectangle = 40 cm.
breadth of a rectangle = ?
diagonal of a rectangle = 41 cm.
breadth = (diagonal - length).
b = √81 = 9 cm.
perimetre of arectangle = 2 (l+b)
p = 2 ( 40 + 9)
p = 2(49)
p = 98 cm.
∴ perimeter of a rectangle = 98 cm.
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Answer:
perimeter of a rectangle = 98 cm.
Step-by-step explanation:
length of a rectangle = 40 cm.
breadth of a rectangle = ?
diagonal of a rectangle = 41 cm.
breadth = (diagonal - length).
b = √81 = 9 cm.
perimeter of a rectangle = 2 (l+b)
p = 2 ( 40 + 9)
p = 2(49)
p = 98 cm.
∴ perimeter of a rectangle = 98 cm.
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