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Ncert book of class 10 ex 12.3 question no 8 ka solution koi bata do

Answer» To find the difference between the tracks, we have to find the perimeter of the inner and outer track.for the inner trackwe have,2 semicircle, that is a whole circle + the length of the track2×π×r +2×1052×π×35m +2× 105220+210430mfor outer track,2 semicircle=1 circle with diameter (r+14m)=circle with radius 42circumference of circle+ 2×1052×π×42+2×105264+210474mdifference =474-430 =44mthe difference between the outer track and the inner track is 44mRead more on Brainly.in - https://brainly.in/question/2196483#readmore


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