Area Problem #13

z shape

A yellow ‘z’ shape is created as shown.
If the length of one side of the blue triangles is 12cm,
find the area of the ‘z’ shape.

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2 thoughts on “Area Problem #13

    • I get 180sqrt3.

      288sqrt3 – 72sqrt3 (area of 2 blue triangles) – 36sqrt3 (area of ‘invisible’ right angle triangles in bottom left and upper right corners of overall rectangle.

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