Find the total surface area of cubes having the following sides.1) 3 cm2) 5 cm3) 5.5 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