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by BTGmoderatorDC » Wed Jun 27, 2018 7:27 pm

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B

C

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E

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In the figure, the 6 small squares are identical, each with sides of length 1. What is the outer perimeter (shown in bold) of the entire figure?

A. 8

B. 12

C. 16

D. 20

E. 24
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Source: — Problem Solving |

by Vincen » Thu Jun 28, 2018 2:16 am
Hello BTGmoderatorDC.

Here, since all squares are identical, we can move down the squares that are at the right and at the left. So we get the picture:
Image

So, the perimeter of the figure is 12.

Therefore, the correct answer is the option [spoiler]B=12[/spoiler].

I hope it helps you. <i class="em em-smiley"></i>
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