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A square has sides that are each 90 feet long. Which equations can be used to calculate d, the length of a diagonal on a square, in feet?
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A square has sides that are each 90 feet long. Which equations can be used to calculate d, the length of a diagonal on a square, in feet?
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Jul 18, 2019
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A square has sides that are each 90 feet long. Which equations can be used to calculate d, the length of a diagonal on a square, in feet?
Mathematics
high-school
Nocturno
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The length of a diagonal on a square represents a hypotenuse of the right triangle whose legs are equal
And also this triangle is a half of the square
The length of one side of a square = 90 feet
∴ d² = 90² + 90² = 2 * 90²
∴ d = 90√2
∴
The equations can be used to calculate d = 90√2
In general for any square has length of side = x
The diagonal of the square = d = x√2
Schotime
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Jul 22, 2019
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