Square Roots & Solatubes

Mom, Casey and Dad travel to the construction site to figure out, and ultimately place the proposed Solatubes.  You know, tubular daylighting devices (TDDs).  This is in lieu of putting in sky lights.  For our house, conventional skylights present a challenge somewhat, as the combined roof pitch and skylight location causes the “tunnel” portion between the roof and room ceiling to be 10+ feet tall.  It could be done, but is a bit extreme in our opinion.  Therefore, we are going the TDD route instead.

The manufacturer claims that the Solatube will lighten an area approximately 300 sq. ft.  So, exactly how big is the 300 sq. ft.?  Kinda need to know this to help determine tube spacing and locations.  Is it 10 ft. x 10 ft.?,  20 ft. x 20 ft.? 

Dad says, “Hey, Casey, what’s the square root of 300?”  

There’s a three second pause, and out comes, “17.3 ft.” 

“Shit, really?…How did you do that?” 

“Daaad, it’s easy, the square root of 3 is 1.73.”  Dad,  “of course.”

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