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The formula for the length of the hypotenuse in a right triangle is $$\sqrt{a^2+b^2}$$ where $$a$$ and $$b$$ are the lengths of the triangle's sides (this formula is derived from the Pythagorean theorem). From the side, a certain ramp has a right-triangular shape. Its height is $$30$$ centimeters and its horizontal length is $$3$$ meters. What calculation will give us the estimated length of the ramp in meters? Choose $1$ answer: Choose $1$ answer: (Choice A) $$\sqrt{\dfrac{30^2}{100^2}+3^2}$$ A $$\sqrt{\dfrac{30^2}{100^2}+3^2}$$ (Choice B, Checked) $$\sqrt{30^2+3^2\cdot 100^2}$$ B $$\sqrt{30^2+3^2\cdot 100^2}$$ (Choice C) $$\sqrt{30^2\cdot 100^2+3^2}$$ C $$\sqrt{30^2\cdot 100^2+3^2}$$ (Choice D) $$\sqrt{30^2+\dfrac{3^2}{100^2}}$$ D $$\sqrt{30^2+\dfrac{3^2}{100^2}}$$