Wednesday, March 24, 2010

Charis' Surface Area Growing Post















the formulas :
A = B x H / 2
A = 7 x 5 / 2
A = 17.5 cm2

A = L x W
A = 5 x 3
A = 15cm2

A = L x W
A = 7 x 3
A = 21cm2

A = L x W
A = 8 x 5
A = 40cm2

TSA = 17.5 + 15 + 21 + 40 = 93.5 cm2



The formulas :
A = L x W A = 2 x 8
A = 16cm²
A = L x W
A = 2 x 2
A = 4cm²

TSA = 16 + 16 + 16 + 16 + 4 + 4 = 72cm2
















the formula's :
A = L x W
A = 4 x 4
A = 16 cm2

A = L x W
A = 4 x 2
A = 8 cm2

A = L x W
A = 2 x 4
A = 8cm2

TSA = 16 + 8 + 8 = 32 cm2

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