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Find the surface area of a cube whose edge is (i) 27 cm (ii) 3 cm (iii) 6 cm (iv) 2.1 cm

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Find the surface area of a cube whose edge is 

(i) 27 cm 

(ii) 3 cm 

(iii) 6 cm

(iv) 2.1 cm

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1 Answer

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(i) TSA = 6a2 = 6 x 272 = 6 x 729 = 4374 cm2 

(ii) TSA = 6a2 = 6 x 32 = 54 cm2 

(iii) TSA = 6a2 = 6 x 62 = 6 x 36 = 216 cm2 

(iv) TSA = 6a2 = 6 x 2.12 = 6 x 4.41 = 26.46 cm2

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