richellemancini richellemancini

10-02-2021
Mathematics

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A square and a rectangle have equal area.The rectangle is 64 cm by 81 cm. What is the perimeter of the square?

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DuaRoni1022 DuaRoni1022

11-02-2021

Answer:

2592 cm

Step-by-step explanation:

square area = x²

rectangle area = bh

so

x² = bh

since the areas are equal

b and h are in the problem as 64 and 81

x² = 64x81

x² = 5184

divide by 2

x = 2592 cm

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