Base of house

Calculate the volume of the bases of a square house, if the base depth is 1.2 m, the width is 40 cm and their outer circumference is 40.7 m.

Correct answer:

V =  18.768 m3

Step-by-step explanation:

h=1.2 m s=40 cm m=40/100  m=0.4 m o=40.7 m  a=o/4=40.7/4=40740=10.175 m b=a2 s=10.1752 0.4=758=9.375 m  S1=a2=10.1752103.5306 m2 S2=b2=9.3752=56256487.8906 m2  S=S1S2=103.530687.8906=39125=15.64 m2 V=S h=15.64 1.2=2346125=2346125 m3=18.768 m3



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