G.3

Area of Shaded Regions

Q4 · Apr–Jun

Find the area between two shapes: frames, rings, and circles cut out of squares and rectangles.

Level
Medium
Problems
Daniel Math Academy · Grade 8 Math

Area of Shaded Regions

Skill G.3 · Circles & composite figures · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 6

Use π ≈ 3.14. Include square units.

Example
10 in
Area of the shaded region:21.5 in²

Think: The square, , less the circle, : is left.

  1. 1
    r = 1 in17 in9 in
    Area of the shaded region: 
  2. 2
    18 in
    Area of the shaded region: 
  3. 3
    r = 2 m15 m11 m
    Area of the shaded region: 
  4. 4
    r = 4 in16 in12 in
    Area of the shaded region: 
  5. 5
    16 in
    Area of the shaded region: 
  6. 6
    20 m
    Area of the shaded region: 
Daniel Math Academy · danielmath.comWorksheet #677ec8j · Page 1 / 2
Daniel Math Academy · Grade 8 Math

Answer Key

G.3 Area of Shaded Regions · ★★☆ Medium

  1. 1149.86 in²
  2. 269.66 in²
  3. 3152.44 m²
  4. 4141.76 in²
  5. 555.04 in²
  6. 686 m²
Daniel Math Academy · danielmath.comWorksheet #677ec8j · Answer Key · Page 2 / 2