Answered: rectangle has a perimeter of 28 inches…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter9: Systems Of Linear Equations

Section9.5: Multiplication With The Addition-or-subtraction Method

Problem 31P

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A rectangle has a perimeter of 28 inches and a length of 8 inches. What is the diagonal measurement of this rectangle?

The perimeter of a rectangle is 2 times the length plus 2 times the width. When a diagonal is drawn across a rectangle, two right triangles are created, whose leg lengths are equal to the length and width of the rectangle, and the diagonal becomes the hypotenuse of the triangle. So the Pythagorean Theorem can be used.

The diagonal measurement is ___ inches as

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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