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Explain the strengths of the spiral model. Strengths of the Spiral model:
a) Early identification of potential risk areas.
b) Customer sees a prototype very early in the SDLC.
c) Critical and risky features are built first for risk mitigation and clarifying requirements.
d) Design can evolve with iterations.
e) Feedback from users helps maintain their expectations.
f) Cost is assessed frequently, hence better planning.
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