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Sagot :

Réponse :

1) V prisme =aire base*h=(1,56*1,33)/2*0,2=0,20748m^3

2) ABC rectangle en A,pythagore

BC²=1,56²+1,33²

BC=√4,2025=2,05m

3)4,92/2,05=12/5 =2,4

4)(12/5)^3*0,20748=2,868203...=2,868203m^3

5) 0,20748+2,868203≈3,075683≈3,076m^3

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