28.26
1 at 9
6.28 cm
The area is 4× 4× 3. 14 = 50.24 and the circumference is 8× 3. 14 = 25. 12.
Area10×10× 3.14 = 314 perimeter 20× 3. 14 = 6.28.
4× 4× 3. 14-4× 4 ÷ 2× 4 is equal to 18.24.
(4+6)×2÷2-2×2×3. 14÷2=3.72
Area1256m2, one circle 125.6.
128.74
500
19.7
Hope to adopt
Common version of high school textbooks: People's Education Edition
People's Education Press is a textbook of People's Educati