Answered: Finding the Area of a Triangle In…

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Additional Topics In Trigonometry

Section: Chapter Questions

Problem 16RE

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Finding the Area of a Triangle In Exercises 13–18,
find the area of the triangle. Round your answers to one
decimal place.
13. A = 33°, b = 7, c = 10
14. B = 80°, a = 4, c = 8
15. C = 119°, a = 18, b = 6
16. A = 11°, b = 22, c = 21
17. B = 72° 30′, a = 105, c = 64
18. C = 84° 30′, a = 16, b = 20

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

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