Question

Six rectangles each with a common base width of 2 have lengths of 1,4,9,16,25 and 36. What is the sum of the areas of the six rectangles?

Answer 1

91 is the answer you multiply (2x1)+(2x4)+(2x9)+(2x16)+(2x25)+(2x36)=182,then divide the sum by 2,because they're triangles to get 91.

Answer 2

91 you multiply (2x1)+(2x4)+(2x9)+(2x16)+(2x25)+(2x36)=182,then divide the sum by 2,because they're triangles to get 91.