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the area of the largest circle is 22/7*21*21=1386cm²
the area of the larger circle is 22/7*14*14=616cm²
the area of the smallest circle is 22/7*7=154cm²
now the area of the shaded region is {1386-(616+154)}cm²
=(1386-770)cm²
=616cm²
therefore the area of the shaded region of the largest circle is 616cm²
the area of the larger circle is 22/7*14*14=616cm²
the area of the smallest circle is 22/7*7=154cm²
now the area of the shaded region is {1386-(616+154)}cm²
=(1386-770)cm²
=616cm²
therefore the area of the shaded region of the largest circle is 616cm²
Anonymous:
I think u have taken diameter instead if radius in formula
oh yeah
sorry
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Sry if the answer is incorrect, but the method is correct
I did it hurry , so in the area of unshaded region will be
22/7(7×7+35/10×35/10)
The actual answer is 154
Neither 18518.5 nor 616
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