Answer:
Total surface area of cubes (TSA) = 6a2
(1) a = 3cm
TSA = 6 × 3 × 3
TSA = 54 sq.cm
(2) a = 5 cm
TSA = 6 × 5 × 5
TSA = 150 sq.cm
(3) a = 5,5 cm
TSA = 6 × 5.5 × 5.5
TSA = 181.5 sq. cm
Answer:
Total surface area of cubes (TSA) = 6a2
(1) a = 3cm
TSA = 6 × 3 × 3
TSA = 54 sq.cm
(2) a = 5 cm
TSA = 6 × 5 × 5
TSA = 150 sq.cm
(3) a = 5,5 cm
TSA = 6 × 5.5 × 5.5
TSA = 181.5 sq. cm
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