2. A circle with a diameter of 6DM has an area of (28.26dm^2) and a circumference of (18.84dm).
3. The circumference of a circle is 15.7DM and the area is (19.625 dm 22).
4. Double the radius, double the circumference and double the area of a circle.
Draw a maximum circle in a rectangle 3 cm long and 2 cm wide. The area of this circle is (3.14cm 22).
Reflections on the Teaching of Understanding within 20+0
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