can anyone help me with this question!!!
Question is....
Find the area of smaller circle .(Hint :find OC)
Answers
Area of inner circle = 154 cm²
Step-by-step explanation:
OC = OB - BC
OC = radius on inner circle
OB = Radius of Outer Circle
OB = OA ( as OA is also radius of outer circle)
=> OB = 11 cm
BC = 4 cm
=> OC = 11 - 4
=> OC = 7 cm
Area of inner circle = π (7)²
= (22/7) * 7²
= 154 cm²
Area of inner circle = 154 cm²
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Answer:
154cm²
Step-by-step explanation:
Area of smaller circle = π r²
Radius of smaller circle = 11 - 7
= 7 cm²
Area = 22. × 7 × 7
——
7
= 154cm²