What is the area of the largest square cut from a 10 cm round sheet iron? Explain why
Because the diagonal length of the square = the radius of the circle
So 10 & sup2; △ 2 = 50 (square centimeter)
RELATED INFORMATIONS
- 1. What is the area of the largest circle in a square with a side length of 10 cm?
- 2. If the sum of two diagonals of a diamond is 10cm and the area is 12cm2, the perimeter of the diamond is___ cm.
- 3. If a diamond has an area of 50 square centimeters and an angle of 30 degrees, its circumference is - cm?
- 4. If the perimeter of the diamond is 40 and an internal angle is 120 degrees, the area of the diamond is 40
- 5. If the perimeter of the diamond is 24 & nbsp; cm and an inner angle is 60 °, the area of the diamond is 40______ cm2.
- 6. If the perimeter of a diamond is 20cm and the length of a diagonal is 8cm, its area is______ .
- 7. If the perimeter of a diamond is 20cm and the length of a diagonal is 8cm, what is its area?
- 8. If the perimeter of a diamond is 20cm and the ratio of two diagonals is 4:3, the area of the diamond is () A. 12cm2B. 24cm2C. 48cm2D. 96cm2
- 9. Cut a round piece of paper and put it together into an approximate rectangle with the width equal to the radius and the area equal. The circumference of the rectangle is 24.84 cm. It turns out that 24.84 △ 2 = the sum of length and width of 12.42 cm, which is also the sum of half of radius and circumference 12.42 (1 + 3.14) = 3cm, which is the radius Area of circle: 3.14 × 3 & # 178; = 28.26 square centimeter Tell me why
- 10. After a circular piece of paper is cut, it is assembled into an approximate rectangle with the width equal to the radius and the area equal. The perimeter of this rectangle is 24.84 cm. How many square meters is this?
- 11. Cut the biggest square out of a 10 cm circle. What's the area of the square sheet?
- 12. Cut the largest circle from a square iron sheet with a side length of 10 cm. What's the circumference of the circle? What's the area? What's the area of the remaining sheet
- 13. Cut the largest circle in a square paper with a side length of 10 cm. What is the area of the circle______ Square centimeter, it takes up half of the square area______ %.
- 14. Cut a circular sheet of iron with a radius of 2 decimeters into the largest square. What is the area of this square in square decimeters The process is to draw a square in a circle, not a circle in a square
- 15. Cut a square sheet of iron with a side length of 4 decimeters into the largest circle, and the area of the cut part is half of the square area______ %.
- 16. Cut the square sheet iron with side length of 4 decimeters into the largest circle, minus the area of the part ()
- 17. Cut out the largest circle from a square sheet of iron with a side length of 20 cm. What percentage of the area of the remaining sheet of iron is the area of the original square?
- 18. Cut out the largest circle from a square sheet of iron with a side length of 20 cm. What is the area of the remaining sheet of iron in the original square? Requirements: to calculate the formula, you must write the unit!
- 19. Cut out the largest circle from the square iron sheet with a side length of four decimeters. What is the area of this circle?
- 20. If the radius of a circle is Tai times, then the area of the circle is () square meters. Draw the largest circle in a square with a side length of 4 decimeters, and the circle is The diameter of yuan is (), the perimeter is () decimeter, and the area is () square decimeter A round flower bed with a diameter of 8 meters covers an area of ()