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Squares are constructed on each of the sides of the triangle [ABC], as shown. If the perimeter of [ABC] is 17, then what is the perimeter of the nine-sided figure that is composed of the remaining three sides of each of the squares?

 

 Apr 10, 2020
 #1
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The question is deleted so an explanation would be more helpful in this scenario.

hugomimihu  Apr 10, 2020
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Since all three sides add up to 17, and the sides are the same as their respective squares, we can multiply 17 by 3 since the inner sides don't count, but the outer ones do. Let's say the sides are a b andc. we have 3a+3b+3c = 3*17 using the distributive property. 

 

Feel free to reply if you don't understand.

 Apr 10, 2020
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thank you! I finally understand T-T

Guest Apr 10, 2020

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