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Answer:

The supplement of an angle is the angle that, when added to the original angle, results in a sum of π radians or 180 degrees.

To find the supplement of 7π/45 in radian measure, we can subtract the original angle from π radians:

Supplement = π - 7π/45

Supplement = (45π/45) - (7π/45)

Supplement = (38π/45) radians

Therefore, the supplement of 7π/45 in radian measure is 38π/45 radians.

To find the supplement of 11π/60 in radian measure, we can use the same formula:

Supplement = π - 11π/60

Supplement = (60π/60) - (11π/60)

Supplement = (49π/60) radians

Therefore, the supplement of 11π/60 in radian measure is 49π/60 radians.