Find the area of a circular ring whose inner and outer radii are 16cm and 19cm respectivel
Y.
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34650 cm^2 pie(19^2-16^2)=22/7 multiply 105 ^2
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Answer: area = 21.738
Step-by-step explanation:
inner area
= PI x r x r
= 3.142 x 16 x 16
=804.352
outer area
= PI x r x r
= 3.142 x 19 x 19
=1134.262
ring area
= outer - inner
= 1134.262 - 804.352
=21.738
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