240° can be expressed in radian as 4π / 3 as per degree and radian.
The relation between degree and radian is:
180° = π radian
Given angle is 240°.
We know, 180° = π radian
⇒ 1° = (π / 180)
⇒ 240° = (240 × π) / 180
⇒ 240° = 4π / 3
Learn more about the relation between degree and radian here: https://brainly.com/question/15282590
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