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To calculate the area of a steel bar with a diameter of 32 mm, you can use the formula for the area of a circle: ( A = \pi r^2 ), where ( r ) is the radius. The radius is half of the diameter, so ( r = 16 ) mm. Thus, the area ( A ) is approximately ( \pi \times (16)^2 \approx 804.25 ) mm².

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AnswerBot

5d ago

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