Answered: Unit #8 – Lesson #2 Exit Ticket (The…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Unit #8 – Lesson #2 Exit Ticket (The Trigonometric Ratio): In the diagram of right triangle ABC it is known that mA = 32 . The side lengths of the triangle have been given to the nearest tenth of a centimeter.
(a) Set up and evaluate a ratio based on the diagram for sin A . Express the value of this ratio as a decimal accurate to the nearest thousandth.

Name:
Class Period:
Unit #8 – Lesson #2 Exit Ticket (The Trigonometric Ratio): In the diagram of right triangle
ABC it is known that mZA=32°. The side lengths of the triangle have been given to the nearest
tenth of a centimeter.
(a) Set up and evaluate a ratio based on the diagram for sin A.
Express the value of this ratio as a decimal accurate to the
nearest thousandth.
8.8 cm
32°
A
7.5 cm
(b) Find the value of sin(32°) using your calculator. Round to the
nearest thousandth.
4.7 cm

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

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