Estimating and Costing
Referring of given figure, pick up the correct statement from the following:

All listed here
The total length of centre line of four walls is 20 m
Length of long wall out-to-out is 6.80 m
Length of short walls in-to-in is 3.20 m

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Estimating and Costing
The correct Prismoidal formula for volume is

D/3 [first area + last area + 4 Ʃ Even area + 2 Ʃ odd areas]
D [first area + last area + Ʃ Even area + 2 Ʃ odd areas]
D/3 [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas]
D/6 [first area + last area + 2 ∑ Even area + 4 ∑ odd areas]

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