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liraira [26]
4 years ago
7

Please I really need help

Mathematics
1 answer:
ahrayia [7]4 years ago
6 0

Answer:

98yd²

Step-by-step explanation:

Alright, for this you'll need the Pythagorean theorem.

{a}^{2}  +  {b}^{2}  =  {c}^{2}

Imagine a right triangle, having twice the given length as the hypotenuse. The legs would be the sides of the square, and therefore be equal.

You can assume it is a square because you're only given half of one diagonal.

Knowing this:

{a}^{2}  +  {a}^{2}  = {14}^{2} \\ 2 {a}^{2}  = 196 \\ {a}^{2} = 98

Therefore, the area is 98 square yards.

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