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# Use trigonometric ratios to find the area of triangle ABC. a. 18.6 units² c. 17.2 units² b. 12.0 units² d. 16.9 units²?

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- sepiaLv 79 months ago
BD = 6 sin 35° = 3.44

Area = (10/2) 3.44 = 17.2

Answer choice:

c. 17.2 units²

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- DavidLv 79 months ago
Area of isosceles triangle: 0.5*6*6*sin(110) = 16.9 square units

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- L. E. GantLv 79 months ago
Base = AC = 10 units

Height = BD = ABsin(35) = 6sin(35)

area = base * height /2 = 10*6sin(35) = 60 sin(35)/2 = 17.21 units ^2

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