G.1

반원과 사분원

4분기 (4~6월)

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 8 Math Semicircles & Quarter Circles Skill G.1 \cdot Circles & composite figures \cdot ★★☆ Medium \cdot Quarter 4 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 18 cm Find the area. 2 4 ft Find the area. 3 8 cm Find the area. 4 8 m Find the area. 5 14 cm Find the area. 6 10 cm Find the area. Daniel Math Academy \cdot danielmath.com Worksheet # d52iysh \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 8 Math Answer Key G.1 Semicircles & Quarter Circles \cdot ★★☆ Medium 1 127.17 cm² 2 6.28 ft² 3 50.24 cm² 4 25.12 m² 5 76.93 cm² 6 78.5 cm² Daniel Math Academy \cdot danielmath.com Worksheet # d52iysh \cdot Answer Key \cdot Page 2 / 2

G. 원과 복합 도형스킬 3개