Question

The area of circle is 154 cm square .The radius is_____ (pie=22\7)​

Answer 1

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Areas Related To Circles Class 10 MCQ With Answer: dExplaination: Reason: Area of circle = 154 cm²

⇒ nr² = 154 cm2

⇒ 227 × r² = 154

⇒ r² = 154 × 227

⇒ r² = 7 × 7 = 49

∴ r = √49 = 7

Answer 2

area of circle = πr²

154 = 22/7(r)²

r² = 49

r = 7