Quadrilateral 39333

The tent with the floor has the shape of a regular quadrilateral pyramid with a base edge a = 2.4 m, height = 1.8 m. How much canvas is needed for the tent?

Correct answer:

S =  16.144 m2

Step-by-step explanation:

a=2.4 m h=1.8 m  h2=h2+(a/2)2=1.82+(2.4/2)22.1633 m  S1=2a h2=22.4 2.16332.596 m2 S2=a2=2.42=25144=5.76 m2  S=4 S1+S2=4 2.596+5.76=16.144 m2

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