Alignment to Content Standards

HSG.SRT.C.6 Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.

HSG.SRT.C.8 Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.*

Task

Yield signs are traffic signs shaped like an equilateral triangle. Estimate the area of the sign assuming that the triangle is an equilateral triangle (round to the nearest hundredth).  Explain how you got to your conclusion.

The full task, including commentary and solution, can be found here.