Take a Test httpswwwmath testld16713 yes SSarkar MATH 1113 F

Take a Test https://www.math ?testld-16713 yes SSarkar MATH 1113 Fall 2017 Wed 12 pm CRN 84115-051& 93101-05 Quiz: Quiz 11 (Sec 5.4) Time Remaining: 00:13:47 Submit C This Question: 1 pt This Quiz: 5 pts pos A105-m fire truck ladder is leaning against a wal Find the distance d th e ladder d m goes up the wall (above the fire truck) if the ladder makes an angle of 28 18 with (Simplify your answer. Type an integer or a decimal Round to the nearest the horizontal. hundredth) 10.5md

Solution

Recall the 1 degree = 60 minutes

thus 18minutes = 18/60 degrees so that 28degree 18 minutes = 28+18/60 =283/10 degrees

Now using trigonometry d/10.5 = sin (28degree 18 minutes)

Means d= 10.5*sin(283/10 degrees)

d= 4.978 ...(Answer)

Hope this Helps!!