Let E1 be an equilateral triangle of side "a". Another equilateral triangle E2 is formed by joining mid-points of the sides of the triangle E1.The same process is applied to E2 to form another equilateral triangle E3 and so on.If A1,A2,A3,....be the areas and P1,P2,P3,....be the perimeters of E1,E2,E3,.....respectively, then the ratio P1+P2+P3+...../A1+A2+A3+... equals:
1.square root 108/a
2.4 square root3/a
3.square root 72/a
4.square root 252/a
[spoiler]OA:later[/spoiler]
1.square root 108/a
2.4 square root3/a
3.square root 72/a
4.square root 252/a
[spoiler]OA:later[/spoiler]
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