Find the area of smaller circle.
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Answered by
1
Step-by-step explanation:
OA = 11 cm
CB = 4 cm
So, OA - CB = 11cm - 4cm = 7 cm
Radius of small circle is 7 cm
Area = pi × r^2
= 3.14 × 7^2
= 3.14 × 49
= 153.86 cm
= 154 cm .............rounding off
Answered by
3
Answer: Radius of bigger circle= Radius of smaller one + the distance between both circles.
OA= OC + CB
11= OC +4
11-4=OC
OC= 7 cm.( so, the radius of smaller circle is 7 cm)
Area of smaller circle= π r²
= 22/7 x 7 x7
= 154 cm²
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