Geometry.2.E.31 - Using Trigonometry to Determine Area – Exit Ticket

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2 questions

Given two sides of the triangle shown, having lengths of 3 and 7 and their included angle of 49°, find the area of the triangle to the nearest tenth.

In isosceles triangle PQR, the base QR = 11, and the base angles have measures of 71.45°. Find the area of △ PQR to the nearest tenth.

From EngageNY.org of the New York State Education Department. Grade Geometry Mathematics Module 2, Topic E, Lesson 31. Internet. Available from https://www.engageny.org/resource/geometry-module-...; accessed 14/Apr/2016.