Now that you know how far the truck travelled in 1 second, you can find out how far it would travel in one hour. Since one hour has 3600 seconds, you need to multiple the distance by 3600. Find the answer and write it down. That gives you the speed of the truck in feet per and hour so now you need to convert the speed to miles per hour. Since there are 5280 feet in one mile, you need divide your answer above by 5280. Find the answer and write it down.

One way to get to the top of a mountain is by a cable car. How high is the mountain if the angle of elevation (the angle between the ground and the cable way) is 30˚ and the cable way is 8 miles?

How long it will take to get to the top of the mountain is the cable car moves at a speed of 4 miles/hour?

Since this assignment is on application of trigonometric ratios, you will need to use right triangles. Below is a right triangle that illustrates the situation. In this triangle, write “8 miles” next to the side that is 8 miles long and “30˚” by the angle that is 30˚.