Question 7
Area of a circle is 616 square cm. The circle is surrounded by a path 2 meter wide. What is the area of this path ?
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if area of circle is 616cm square then it's radius is
616=22/7*rsquare
so rsqaure=616*7/22
r=14
now path is of 2cm so r=14+2=16
so area =22/7*16*16
r=804.57
now to find area of path
area =804.57-616
=188.57
answer=188.57
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