A toy is in the form of cone is mounted on a hemisphere of radius 3.5cm
total height of the toy is 15.5 cm. Find the total surface area (use π = 22/7)
(a) 137.5 cm²
(b) 214.5 cm²
(c) 154 cm²
(d) 291.5 cm²
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b is correct answer 214.5 cm2
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vicky7896:
how will the height be 12.5-3.5 ?.. the formula is supposed to be sqrt h^2 +r^2 right ?
o sorry
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