Area Problem #13 Posted on October 3, 2014 by solvemymaths 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. Advertisements Share this:TwitterFacebookLike this:Like Loading... Related

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. Reply

I’ve got 162sqrt3 on a first go…

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.