please answer this question
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Answer:
214.5cm^2
Step-by-step explanation:
Given radius of hemisphere=3.5cm
Surface area of hemisphere=2πr^2
=2*22/7*3.5*3.5=77cm^2
Height of conical portion =15.5-3.5=12cm
Radius of conical portion=√144+12.25
=12.5cm
CSA Of conical portion=πrl=275/2
TSA of the toy =surface area of hemisphere+surface area of conical portion
=77+275/2=154+275/2
=429/2=214.5cm^2
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