Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 8 - Geometry - Test - Page 619: 10

Answer

The figure name is a square. The perimeter is $72$ mm and the area is $324$ mm$^{2}$

Work Step by Step

1. State the figures name: Square, since all sides have equal lengths. 2. Find the perimeter of the square Let $P = $ the perimeter of the square $P = 4(18)$ $P = 72$ mm 3. Find the area of the square Let $A = $ the area of the square $A = 18 \times 18$ $A = 324$ mm$^{2}$
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