Using Trigonometry to find Areas of Triangles HSG.SRT.D.9 Grade 11 SBAC Practice Test Questions TOC | Lumos Learning

Using Trigonometry to find Areas of Triangles HSG.SRT.D.9 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics

Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics Using Trigonometry to find Areas of Triangles

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When trying to find the area of a triangle that is not a right triangle, what sides and angles would be necessary to know in order to use the formula, A = ½ ab(sin C)?

Resource: Question

Question Type: Extended Constructed Response

Standard(s):HSG.SRT.D.9

Standard Description: Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.

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