해법
해법
솔루션 단계
Given:
주어진 원 반지름
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78 is 125 percent of what number30percentage of the class are 10 yars old and the other 21 children are 11 year old how many children were the classThe radius of a circle is 4.5 cm. Find the 원둘레 to the nearest tenth.The 원둘레 of a circle is 2𝜋 centimeters. What is the area?one number is six more than the second number. five times the first is 5 less than 6 times the second. find the numbers.