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Area & Perimeter of Composite Shapes (Grade 8)

Free printable Grade 8 measurement worksheet on the area and perimeter of L-shaped and composite figures.

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Grade 8 · Math worksheet
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Math

Measurement: Area & Perimeter of Composite Shapes

Find the area or perimeter of each composite (L-shaped or joined) figure.

  1. 1.
    An L-shaped room is formed by a 11 by 25 rectangle with a 7 by 12 rectangle cut from one corner. Find its area.
  2. 2.
    An L-shaped room is formed by a 14 by 17 rectangle with a 8 by 5 rectangle cut from one corner. Find its area.
  3. 3.
    An L-shaped room is formed by a 23 by 20 rectangle with a 5 by 10 rectangle cut from one corner. Find its area.
  4. 4.
    An L-shaped room is formed by a 11 by 17 rectangle with a 2 by 6 rectangle cut from one corner. Find its area.
  5. 5.
    An L-shaped room is formed by a 12 by 15 rectangle with a 4 by 2 rectangle cut from one corner. Find its area.
  6. 6.
    A composite shape is made of a 7 by 9 rectangle and a 12 by 10 rectangle joined together. Find its total area.
  7. 7.
    A composite shape is made of a 4 by 3 rectangle and a 9 by 15 rectangle joined together. Find its total area.
  8. 8.
    A composite shape is made of a 4 by 5 rectangle and a 13 by 14 rectangle joined together. Find its total area.
  9. 9.
    A composite shape is made of a 14 by 10 rectangle and a 15 by 3 rectangle joined together. Find its total area.
  10. 10.
    A composite shape is made of a 4 by 6 rectangle and a 9 by 9 rectangle joined together. Find its total area.
  11. 11.
    An L-shaped room is formed by cutting a rectangular notch from one corner of a 14 by 20 rectangle. Find the perimeter of the L-shape (cutting a right-angled notch from a corner does not change the total perimeter).
  12. 12.
    An L-shaped room is formed by cutting a rectangular notch from one corner of a 21 by 18 rectangle. Find the perimeter of the L-shape (cutting a right-angled notch from a corner does not change the total perimeter).
  13. 13.
    An L-shaped room is formed by cutting a rectangular notch from one corner of a 13 by 22 rectangle. Find the perimeter of the L-shape (cutting a right-angled notch from a corner does not change the total perimeter).
  14. 14.
    An L-shaped room is formed by cutting a rectangular notch from one corner of a 16 by 14 rectangle. Find the perimeter of the L-shape (cutting a right-angled notch from a corner does not change the total perimeter).
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