Question

perimeter of Hemisphere​

Answer 1

Answer:

Hence the total surface area of the hemisphere = 3(pi)R^2. A semicircle has a straight line equal to the diameter of the circle and a curved line. The straight line is of length 2R and the curved line (pi)R. Hence the total perimeter of the semicircle = 2R + (pi)R.

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Answer 2

Answer:

2R+πR

explanation:Hence the total surface area of the hemisphere = 3(pi)R^2. A semicircle has a straight line equal to the diameter of the circle and a curved line. The straight line is of length 2R and the curved line (pi)R. Hence the total perimeter of the semicircle = 2R + (pi)R