the length of a rectangle is 8in. more than it’s width. the perimeter of the rectangle is 24in. what are the width and length of
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Given :
A sailor is 30 m above the water in the crow's nest on a sailboat.
The sailor encounters an orca surface at an angle of depression of 15 degrees.
The crows nest is 20 m horizontally from the bow (front) of the boat.
To Find :
How far in front of the boat is the orca.
Solution :
Let, distance of boat front from the crow's nest is x.
So,
Hence, this is the required solution.
If the polygons are similar then the sides are in proportion.
Therefore we have the equations: