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The two dimensions of spiral model are(a) diagonal, angular(b) radial, perpendicular(c) radial, angular(d) diagonal, perpendicularThe question was posed to me by my school principal while I was bunking the class.This is a very interesting question from Software Evolution in portion Software Evolution of Software Engineering

Answer» CORRECT choice is (c) radial, angular

Easiest explanation: The radial dimension depicts the cumulative costs and the angular dimension depicts the PROGRESS made in completing each cycle. Each LOOP of the spiral MODEL represents a PHASE.


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