H.4

반원과 사분원

반원과 사분원의 넓이와 둘레 구하기 (π ≈ 3.14)

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 Semicircles & Quarter Circles Skill H.4 \cdot Circles \cdot ★★☆ Medium Name Date Score / 6 Scan for answers Use π \approx 3.14. Include units. Example 10 cm Find the area. 39.25 cm² Think: Half of a circle with radius 5: 3.14 \times 5^{2} \div 2 = 39.25 . Its perimeter is half the circumference plus the diameter. 1 16 cm Find the area. 2 14 cm Find the area. 3 14 in Find the area. 4 8 cm Find the area. 5 8 m Find the area. 6 2 in Find the area. Daniel Math Academy \cdot danielmath.com Worksheet # rusbd2r \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key H.4 Semicircles & Quarter Circles \cdot ★★☆ Medium 1 100.48 cm² 2 153.86 cm² 3 153.86 in² 4 50.24 cm² 5 50.24 m² 6 3.14 in² Daniel Math Academy \cdot danielmath.com Worksheet # rusbd2r \cdot Answer Key \cdot Page 2 / 2

H. 원의 둘레와 넓이스킬 4개