Two boats
Two boats are located from a height of 150m above the lake's surface at depth angles of 57° and 39°. Find the distance of both boats if the sighting device and both ships are in a plane perpendicular to the lake's surface.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- arithmetic
- absolute value
- subtraction
- planimetrics
- right triangle
- triangle
- The Law of Cosines
- goniometry and trigonometry
- sine
- cosine
- tangent
- cotangent
Units of physical quantities:
Grade of the word problem:
We encourage you to watch this tutorial video on this math problem: video1
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