What is the triangle of project management?

The triangle of project management is composed of time, cost, and scope, which together influence quality. This concept is often referred to as the 'iron triangle' or 'triple constraints'. The idea is that altering one aspect, such as the project's budget, timeline, or scope, will consequently impact at least one of the other elements.

Last edited on: 17 Jun 2025


Project management FAQs

Can a project belong to more than one programme?
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How is Agile PM different from traditional PM?
Is PRINCE2 the same as waterfall?
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Is Scrum Agile or waterfall?
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What is the difference between programme & project management?
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