➷ First calculate BD:
BD^2 = 2.4^2 + 2.4^2
BD^2 = 11.52
BD = 3.39411255
x^2 = 3.8^2 - 3.39411255^2
x^2 = 2.92
x = 1.708800740
x = 1.7cm
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Answer:
Explanation:
Look at the picture.
Segment d is the diagonal of square.
The formula of a diagonal of a square with side a:
Therefore we have
Use the Pythagorean theorem to calculate x:
Substitute
subtract 11.52 from both sides
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