Find the length of diagonal of a square with side 8 cm.

Kaila Bray

Kaila Bray

Answered question

2022-12-31

Find the length of diagonal of a square with side 8 cm.

Answer & Explanation

harquichv

harquichv

Beginner2023-01-01Added 6 answers

Here, segment AC is a diagonal of square ABCD.
In A B C we have
( A C 2 ) = ( A B ) 2 + ( B C ) 2 ( A C ) 2 = ( 8 ) 2 + ( 8 ) 2 ( A C ) 2 = 64 + 64 = 128 ( A C ) = 128 = 8 × 8 × 2 = 8 2
Consequently, the square's diagonal length is 8 2 cm.

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