If a road has a grade of 30°, this means that it's angle of elevation is 30°. If you travel 1.5 miles on this road, how much elevation have you gained in feet (5280ft = 1 mile). Round to the nearest foot.

Step-by-step explanation:

we know that

Applying trigonometric identity

---> by SOH (opposite side divided by the hypotenuse)

where

y is the elevation

solve for y

Convert miles to feet

Remember that

so

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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