area 154cm^2/3 , time 5 minute find radius
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Answer:
7cm
Step-by-step explanation:
Given,
Area of circle = 154cm²
Radius = r
Area = πr²
154 = 22 × r²
7
r² = 154 × 7
22
r² = 7 × 7 { because 154 ÷ 22 is 7 }
r² = 49
r = √49
r = 7cm
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