If the shear strength of the non-cohesive soil is 84KN/m2 and angle of friction is 30 degrees, then the normal strength in KN/m2 is?

If the shear strength of the non-cohesive soil is 84KN/m2 and angle of

1.	If the shear strength of the non-cohesive soil is 84KN/m2 and angle of friction is 30 degrees, then the normal strength in KN/m2 is?
A.	140
B.	141
C.	143
D.	145
Answer» E.