The minimum length Starbucks must build the wheel chair ramp to meet the standards is 23.9ft.
What is a Right angle Triangle?
A triangle in which one of the angles is 90 degrees is called a Right angled Triangle.
To find the angle of the ramp, Trigonometric Ratios will be used
As the ramp is forming a right triangle
sin x = 2/22
x = 5.21°
The angle the wheel chair ramp makes with the ground is 5.21°.
If the angle has to be less than 4.8°
Let the length of the wheel chair will be given by y
Then,
2/x < sin4.8
x > 2/sin 4.8
x > 23.9 ft
Therefore the minimum length Starbucks must build the wheel chair ramp to meet the standards is 23.9ft.
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