解
find the area of a circle with a circumference of 21.98
解
解答ステップ
Given:
指定された円の半径
指定された円の面積
人気の例
Fatima is 7 years older than her brother. Three times the sum of their ages is 39.:Write and solve an equation to find Fatima's age.sum of 5 and a numberThe 円周 of a circle is 37.68 meters. What is the circle's diameter?Paul's age is six less than twice bobs age. two years ago, the sum of their ages was 29. How old is Paul?The product of 2 and a number is the same as 12 minus the number. Find the number.