Three 235
Three houses form a triangular shape. House A is 50 feet from house C and house B is 60 feet from house C. The measure is angle ABC is 80 degrees. Draw a picture and find the distance between A and B.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- quadratic equation
- equation
- planimetrics
- Pythagorean theorem
- triangle
- The Law of Cosines
- goniometry and trigonometry
- sine
- cosine
Units of physical quantities:
Grade of the word problem:
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