Answer:
d = 48.03 feet
Explanation:
Given that,
The maximum angle for a wheelchair ramp entering a business at 4.76 degrees.
We need to find the horizontal distance needed to accomidate a ramp that goes up to a door 4 feet of the ground.
We can solve it using trigonometry.
![\tan\theta=(h)/(d)](https://img.qammunity.org/2022/formulas/mathematics/high-school/7ocvr2rm6dojywgktmx5btmqyxvxrkk41t.png)
Where
h is height
d is the angle of elevation
![d=(h)/(\tan\theta)\\\\d=(4)/(\tan(4.76))\\\\d=48.03\ ft](https://img.qammunity.org/2022/formulas/mathematics/high-school/cqxwu1i5hwucgdfs52jfeijvxgn1qttw4o.png)
So, the horizontal distance is equal to 48.03 feet.