G

Unit Review: Circles & composite figures

Problems from all 3 skills in this unit — a review before the unit test.

Level
Medium
Per skill
Daniel Math Academy · Grade 8 Math

Unit Review: Circles & composite figures

Grade 8 · 3 skills · ★★☆ Medium

Name
 
Date
 
Score/ 12

G.1G.2Use π ≈ 3.14. Include units.

  1. 1
    20 ft
    Find the area. 
  2. 2
    14 m
    Find the area. 
  3. 3
    8 cm
    Find the area. 
  4. 4
    12 ft
    Find the area. 
  5. 5
    8 ft12 ft
    Find the area. 
  6. 6
    14 ft9 ft
    Find the area. 
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Daniel Math Academy · Grade 8 Math
Unit Review: Circles & composite figures

G.2Use π ≈ 3.14. Include units. (continued)

  1. 7
    10 ft11 ft
    Find the area. 
  2. 8
    10 m8 m
    Find the area. 

G.3Use π ≈ 3.14. Include square units.

  1. 9
    8 in
    Area of the shaded region: 
  2. 10
    20 cm
    Area of the shaded region: 
  3. 11
    6 m
    Area of the shaded region: 
  4. 12
    r = 1 m11 m14 m
    Area of the shaded region: 
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Daniel Math Academy · Grade 8 Math

Answer Key

Unit Review: Circles & composite figures · ★★☆ Medium

G.1G.2Use π ≈ 3.14. Include units.

  1. 1157 ft²
  2. 2153.86 m²
  3. 350.24 cm²
  4. 4113.04 ft²
  5. 5146.24 ft²
  6. 6202.93 ft²
  7. 7149.25 ft²
  8. 8119.25 m²

G.3Area of Shaded Regions

  1. 913.76 in²
  2. 1086 cm²
  3. 117.74 m²
  4. 12150.86 m²
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