please solve this question. .....21 (2)
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Surface area of remaining solid = 6L2 - πr2 + πrℓ, where r and l are the radius and slant height of the cone.
ℓ = √(72 + 142) = 7√5
L = 14 cm
r = 14/2 = 7 cm
Surface area of remaining solid = (1022 + 154√5) cm2.
ℓ = √(72 + 142) = 7√5
L = 14 cm
r = 14/2 = 7 cm
Surface area of remaining solid = (1022 + 154√5) cm2.
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