A cube whose edge is 20 cm long has a circle of diameter 20cm on eachof its face paintrd red
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Answer:
Area of red paint=816cm²
Step-by-step explanation:
The question is incompleted, assuming to find the area of region painted red
we should subtract the area of each circle of diameter 20 cm from the square of side 20 cm.
Area of square= 20×20
=400cm²
Area of circle= 3.14×10²
=314
Area of painted red for one surface=400-314
=86
Total surface area painted in red=6×Area of each surface
=6×86
=516cm²
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Answer:
this is the explanation I think u understand
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