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

Using Trigonometry to find Areas of Triangles HSG.SRT.D.9 Question & Answer Key Resources SBAC  Master Course - Grade 10 Mathematics

SBAC  Master Course - Grade 10 Mathematics Using Trigonometry to find Areas of Triangles

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In an isosceles triangle, the two congruent sides have a length of \(43\; {\rm mm}.\) The measure of the included angle is \(16{}^\circ .\)To the nearest square millimeter, what is the area of the triangle? Enter your answer without units.

Resource: Question

Question Type: Numeric Answer

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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