해법
해법
솔루션 단계
Given:
주어진 원 반지름
주어진 원 영역
인기 있는 예
The 원둘레 of a circle is 14pi cm. What is the area, in square centimeters? Express your answer in terms of pipi.25% of what number is 1604400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 29 years?2/5 of a number is 16. What is the numberThe product of a number and 4 is 28.