Answered: Triangle RST has vertices at R(-4,7),…

Triangle RST has vertices at R(-4,7), S(-6,3) and T(-2,3). Jennifer believes that the perimeter of ΔRST is 26 square units.Why is Jennifer incorrect?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.3: Lines

Problem 11E

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Question

Triangle RST has vertices at R(-4,7), S(-6,3) and T(-2,3).

Jennifer believes that the perimeter of ΔRST is 26 square units.

Why is Jennifer incorrect?

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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