The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members

by VJesus12 » Fri Feb 19, 2021 7:03 am

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The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is

(A) 36.00 sq cm
(B) 35.00 sq cm
(C) 33.75 sq cm
(D) 30.25 sq cm
(E) 25.00 sq cm

Answer: D

Source: Official Guide

Source: Beat The GMAT — Problem Solving | Fri Feb 19, 2021 7:03 am

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Scott@TargetTestPrep: GMAT Instructor; Posts: 8246; Joined: Sat Apr 25, 2015 10:56 amFollowed by: 29 members; Location: Los Angeles, CA; Thanked: 43 times

Re: The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value o

by Scott@TargetTestPrep » Tue Mar 09, 2021 1:27 pm

VJesus12 wrote: ↑
Fri Feb 19, 2021 7:03 am
The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is

(A) 36.00 sq cm
(B) 35.00 sq cm
(C) 33.75 sq cm
(D) 30.25 sq cm
(E) 25.00 sq cm

Answer: D

Source: Official Guide

Solution:

The least side length of the square is 5.5 cm long (notice that 5.5 cm can be rounded to 6 cm when rounded to the nearest centimeter), so the least possible value of the area of the square is 5.5^2 = 30.25 sq cm.

Answer: D

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