G.3

색칠한 부분의 넓이

4분기 (4~6월)

두 도형 사이의 넓이 구하기: 액자·고리 모양, 사각형에서 원을 뺀 부분

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 Area of Shaded Regions Skill G.3 \cdot Circles & composite figures \cdot ★★☆ Medium \cdot Quarter 4 Name Date Score / 6 Scan for answers Use π \approx 3.14. Include square units. Example 10 in Area of the shaded region: 21.5 in² Think: The square, 1 0^{2} = 100, less the circle, 3.14 \times 5^{2} = 78.5 : 21.5 is left. 1 12 in Area of the shaded region: 2 r = 3 in 10 in 8 in Area of the shaded region: 3 16 cm Area of the shaded region: 4 r = 5 ft 18 ft 14 ft Area of the shaded region: 5 r = 4 m 10 m 14 m Area of the shaded region: 6 14 ft Area of the shaded region: Daniel Math Academy \cdot danielmath.com Worksheet # rrj3tbe \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 8 Math Answer Key G.3 Area of Shaded Regions \cdot ★★☆ Medium 1 30.96 in² 2 51.74 in² 3 55.04 cm² 4 173.5 ft² 5 89.76 m² 6 42.14 ft² Daniel Math Academy \cdot danielmath.com Worksheet # rrj3tbe \cdot Answer Key \cdot Page 2 / 2

G. 원과 복합 도형스킬 3개