Geometry and measuresKS3 / GCSE

Area of a compound shapeTwo rectangles attached

Split an L-shape into rectangles and add their areas.

  • Choose a dividing line that makes two rectangles.
  • Use subtraction to find missing side lengths.
  • Find the two areas and add them, counting each part once.

Example 1

Find the area of the L-shape.

Split the L-shape into two rectangles.

Example 2

Find the area of the L-shape.

Split the L-shape into two rectangles.

Your turn

Question 1

Find the area of the L-shape.

Check answer
Split the L-shape into two rectangles.
Question 2

Find the area of the L-shape.

Check answer
Split the L-shape into two rectangles.
Question 3

Find the area of the L-shape.

Check answer
Split the L-shape into two rectangles.
Question 4

Find the area of the L-shape.

Check answer
Split the L-shape into two rectangles.
Question 5

Find the area of the L-shape.

Check answer
Split the L-shape into two rectangles.
← All Geometry and measures cardsReport a mistake