Answer:
? = 15 yards
Explanation:
h² + b² = ?²
9² + 12² = ?²
81 + 144
225
√225 = 15
Pythagorean theorem
You should use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
9^2+ 12^2 = ?^2
81 +144 = ?^2
225 = ?^2
Take the square root of each side
sqrt(225) = sqrt(?^2)
15 =?
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