Question

find the length of diagonal of a square with side 8 cm​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Consider that the side of the square is xcm.

Since the diagonals are the perpendicular bisectors, then by Pythagoras theorem,

x

2

+x

2

=8

2

2x

2

=64

x

2

=32

x=

32

x=4

2

x=5.66cm