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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Consider, the garden is in circular shape, Since, the radius of the semi-circle(or circle) is 42m and it's perimeter = 2*22/7*r Therefore, perimeter of the circle = 2*22/7*42=264m Therefore, the perimeter of the semi-circle = 1/2*perimeter of the circle Therefore, the perimeter of the semi-circle = 1/2*264 Therefore, the perimeter of the semi-circle = 132m But, the person jogs 3 times the perimeter Therefore, the distance jogged by the person = 3*132m = 396m