10-29. Consider the general orientation of three strain gauges at a point as shown. Write a computer program that can be used to determine the principal in-plane strains and the maximum in-plane shear strain at the point. Show an application of the program using the values ua = 40!, Pa = 160(10-6 ), ub = 125!, Pb = 100(10-6 ), uc = 220!, Pc = 80(10-6 ).
 
 
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