Find the diameter of a circle whose area is 616 cm sq
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Answer:
28 cm
Step-by-step explanation:
- given, area=616cm sq
- Area(A)=pi r^2
- or,616=22/7 ×r^2
- 616×7/22=r^2
- 196=r^2
- r=14cm
- therefore d=2r=28cm
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