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प्रश्न
If radius of the base of cone is 7 cm and height is 24 cm, then find its slant height.
विकल्प
23 cm
26 cm
31 cm
25 cm
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उत्तर
25 cm
Explanation:
l = `sqrt(r^2 + h^2)`
= `sqrt((7)^2 + (24)^2`
= `sqrt(49 + 576)`
= `sqrt(625)`
l = 25
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