H.3

원의 둘레와 넓이 문장제

바퀴·피자·정원·스프링클러 문제, 둘레나 넓이로 반지름·지름 거꾸로 구하기

난이도

보통

난이도

문제 수

예제 포함답안지 포함

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Circles: Word Problems Skill H.3 \cdot Circles \cdot ★★☆ Medium Name Date Score / 4 Scan for answers Use π \approx 3.14. Include units in your answers. Example 251.2 \div 3.14 = 80 inches Think: The circumference is 3.14 \times d, so divide it by 3.14 to find the diameter. From an area, dividing by 3.14 gives r^{2} . 1 A circular path in a park is 270.04 meters long. What is the radius of the path? 2 The edge of a round table is 138.16 inches around. What is the table's diameter? 3 A circular pond covers 200.96 square meters. What is the radius of the pond? 4 The edge of a round table is 125.6 inches around. What is the table's diameter? Daniel Math Academy \cdot danielmath.com Worksheet # dshzqj4 \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key H.3 Circles: Word Problems \cdot ★★☆ Medium 1 43 m 2 44 in 3 8 m 4 40 in Daniel Math Academy \cdot danielmath.com Worksheet # dshzqj4 \cdot Answer Key \cdot Page 2 / 2

H. 원의 둘레와 넓이스킬 4개