A ramp into a building forms a \( 7^{\circ} \) angle with the ground. If the entry point of the ramp is 6 feet from the building, how many feet long is the ramp? Round the solution the nearest hundredth. .53 feet .6 .05 feet 7.04 feet 7.96 feet
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To find the length of the ramp, we can use the sine function from trigonometry. The sine of an angle in a right triangle is the opposite side over the hypotenuse. In this case, we will set up the equation: \[ \sin(7^\circ) = \frac{\text{height}}{\text{ramp length}} \] We can find the ramp length using the cosine function, where: \[ \cos(7^\circ) = \frac{\text{adjacent (distance from the building)}}{\text{ramp length}} \] Thus, we can re-arrange to find: \[ \text{ramp length} = \frac{\text{adjacent}}{\cos(7^\circ)} = \frac{6}{\cos(7^\circ)} \] Calculating \( \cos(7^\circ) \) gives approximately 0.9925. Therefore: \[ \text{ramp length} \approx \frac{6}{0.9925} \approx 6.05 \, \text{feet} \] So the closest correct answer among your options is **6.05 feet**. Ready to make some calculations? Trigonometry can feel like magic! With some practice, you'll be solving height and distance problems without breaking a sweat! In real-world applications, ramps are essential for accessibility. Whether in buildings, parks or skateboards, understanding the length and steepness of a ramp ensures safety and usability for everyone! Plus, it’s always a fun challenge to get the angles just right to meet code requirements!