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HKIMO 2017 Grade 6 National Final (Heat) Set 04 Question 20

HKIMO · HKIMO 2017 Grade 6 National Final (Heat) Set 04

Question 20

A square has side length 18.84 cm. Its perimeter equals the circumference of a circle. Find the circle area, in cm². Take $\pi=3.14$.

Source glossary (English–Vietnamese): Length of side: độ dài cạnh; Square: hình vuông; Perimeter: chu vi; The same: bằng nhau; Circle: hình tròn; Area: diện tích.