Determine 81756
The area for shooting training has the shape of a trapezoid, the parallel sides of which are 36m, 21m long, and the remaining sides are 14m, 16m long. Determine the size of the interior angles with a longer base.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- planimetrics
- Pythagorean theorem
- triangle
- trapezoid
- The Law of Cosines
- The Law of Sines
- numbers
- fractions
- goniometry and trigonometry
- cosine
- arccosine
Units of physical quantities:
Grade of the word problem:
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