1.

CAN ANYONE TELL THE FORMULA OF SURFACE AREA OF SPHERICAL SHELL??

Answer»

Step-by-step explanation:

Let the INNER RADIUS be R1 and outer radius be r2.

Total Surface Area= Inner surface area+ Outer surface area

= 4\pi \: r {1}^{2}  + 4\pi \: r {2}^{2}  \\  = 4\pi \: (r1 + r2) {}^{2}

Hope it helps...



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