Mohr's circle and cohesion

[young_eng_student]

Hey i have attached a mohr's circle that im having trouble solving (im new to this)

Can someone pls determine the cohesion step by step??...thanks, i need this for a major test on monday

PS. The sample is clayey silt. And the stresses and angle of internal friction are provided in the sketch.

 

[littlewheels4]

did you get an answer on this?