find the surface area of a sphere radius of 10.5cm
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Your 10.5 is not a radius it is a diametre and its h=10cm
Step 1. D=10.5cm; R=10.5/2cm ;h=10cm
Step 2. 22/7*r*h
Step 3. 22/7*5.25*10
Step 4. When you solve you will get this answer 165 if you can find then call me on this no. 6395865478 call me if you have any confusion
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