해법
해법
솔루션 단계
Given:
주어진 원 반지름
주어진 원 영역
인기 있는 예
The sum of two numbers is 30 and their 차이 is 12.I have four apples. I took away two. How many more apples are left?Two airplanes leave at the same time from airports that are 880 miles apart from each other. If one plane travels 126 miles per hour faster than the other and they pass each other in 2 hours, how fast is each plane traveling?Carter opened a savings account and deposited 400.00 as principal. The account earns 11% interest, compounded annually. What is the balance after 6 years?7 times a number increased by 4 times the number