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f.3 area of volume

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最佳解答:

PS: detail steps are not going to be shown below 1) pyramid VACR ~ pyramid VDFE ratio of VC to VF = 2 : 2:3 = 2:5 ratio of required area(tri ABC to tri DEF) = 2^2 : 5^2 = 4 : 25 2) Let V1 : V2 = 64:343 L1 : L2 = 3rt64 : 3rt343 = 4:7 A1:A2 = 4^2 : 7^2 = 16 : 49 V=volume, L=length, A=area 2008-06-08 14:22:23 補充： Ans1) line 2 ratio of VC to VF = 2 : 2:3 = 2:5 should be ratio of VC to VF = 2 : 2+3 = 2:5

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