A material has tensile strength 210 MPa, yield strength 117 MPa and fracture strain 0.45. What will be approximate value of toughness?

A material has tensile strength 210 MPa, yield strength 117 MPa and fr

1.	A material has tensile strength 210 MPa, yield strength 117 MPa and fracture strain 0.45. What will be approximate value of toughness?
A.	54.8 MJ/m<sup>3</sup>
B.	67.4 MJ/m<sup>3</sup>
C.	73.6 MJ/m<sup>3</sup>
D.	89.2 MJ/m<sup>3</sup>
Answer» C. 73.6 MJ/m<sup>3</sup>