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प्रश्न
The formula to find the width of the circular path is
विकल्प
(L – l) units
(B – b) units
(R – r) units
(r – R) units
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उत्तर
The formula to find the width of the circular path is (R – r) units
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संबंधित प्रश्न
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The formula to find the area of the circular path is
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(i) The area of the rectangle.
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