Dimensions 39623

In the form of a pyramid with a square floor plan, the house's roof has dimensions of 12 x 12 m, at the highest point, a height of 2 m. How much roofing do we need to buy? Count on a 10% reserve.

Correct answer:

S =  166.9683 m2

Step-by-step explanation:

a=12 m h=2 m q=100%+10%=1+10010=1.1  w2 = h2+(a/2)2 w=h2+(a/2)2=22+(12/2)2=2 10 m6.3246 m S1=2a w=212 6.3246=12 10 m237.9473 m2  S=4 q S1=4 1.1 37.9473=166.9683 m2

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