A circle has a circumference of 12.56 cm and a diameter of 10 cm______ Centimeter, radius is______ Cm, the area is______ Square centimeter | Math enthusiast | Mathematical art

A circle has a circumference of 12.56 cm and a diameter of 10 cm Centimeter, radius is Cm, the area is__ Square centimeter

12.56 △ 3.14 = 4 (CM); 4 △ 2 = 2 (CM), 3.14 × 22, = 3.14 × 4, = 12.56 (square cm); answer: the diameter of this circle is 4 cm, the radius is 2 cm, and the area is 12.56 square cm. So the answer is: 4, 2; 12.56

The circumference of a circle is 25.12 meters. What is its radius, diameter and area?

Diameter: 25.12 △ 3.14 = 8M
Area: 3.14 × (8 △ 2) &# 178; = 50.24 square meters

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