If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?

If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus

1.	If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?
A.	0.26
B.	0.31
C.	0.47
D.	0.43
Answer» C.