I.1

직육면체의 겉넓이

4분기 (4~6월)

여섯 면의 넓이를 더해 직육면체의 겉넓이 구하기

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Daniel Math Academy · Grade 7 Math

Surface Area of Rectangular Prisms

Skill I.1 · Surface area & volume · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 4

Find each surface area. Include square units.

Example
5 cm3 cm2 cm
Surface area =62 cm²

Think: Opposite faces match, so add each pair once and double: .

  1. 1
    12 ft9 ft6 ft
    Find the surface area. 
  2. 2
    10 in8 in5 in
    Find the surface area. 
  3. 3
    12 ft3 ft11 ft
    Find the surface area. 
  4. 4
    4 ft2 ft6 ft
    Find the surface area. 
Daniel Math Academy · danielmath.comWorksheet #nai5zps · Page 1 / 2
Daniel Math Academy · Grade 7 Math

Answer Key

I.1 Surface Area of Rectangular Prisms · ★★☆ Medium

  1. 1468 ft²
  2. 2340 in²
  3. 3402 ft²
  4. 488 ft²
Daniel Math Academy · danielmath.comWorksheet #nai5zps · Answer Key · Page 2 / 2