A cube whose edge is 20 cm long, has circles on each of its faces painted black. What is the total area of the unpainted surface of the cube if the circles are of the largest possible areas?
A.90.72 cm²
B.256.72 cm²
C.330.3 cm²
D.514.28 cm²
Answer:D
A cube whose edge is 20 cm long, has circles on each of its faces painted black. What is the total area of the unpainted surface of the cube if the circles are of the largest possible areas?
A.90.72 cm² B.256.72 cm² C.330.3 cm² D.514.28 cm²