A road is inclined to the horizontal at an angle of 12°30'. For every 70 feet of roadway, how much does the road actually rise?
2 answers:
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Answer:
Step-by-step explanation:
The given triangle is a 45°-45°-90° triangle. Use the following rule:
The length of the legs is 4. Insert this value into the equation:
Simplify:
:Done
