a circle of radius 5 cm is cut out from a square piece of an and minimum sheet of side 10 cm what is the area of the left over aluminium sheet (take π = 3.14)
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Answered by
2
Answer:
Radius of circle=2 cm and side of aluminium square sheet=6 cm
According to question,
Area of aluminium sheet left=Total area of aluminium sheet−Area of circle
=side×side−πr
2
=6×6−
7
22
×2×2
=36−12.56
=23.44cm
2
.
Therefore, the area of aluminium sheet left is 23.44cm
2
.
Step-by-step explanation:
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Answered by
2
area of sq. = 10×10=100
area of circle=3.14×5×5=78.5
total sheet left = 100-78.5=21.5
answer =21.5
hope it is helpful
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