
Area of first Δ=43a2 Area of second Δ=43a24a2=163a2 Area of third Δ=643a2 sum of area =43a2(1+41+161…) Q=43a2431=3a2 perimeter of 1st Δ=3a perimeter of 2nd Δ=23a perimeter of 3rd Δ=43aP=3a(1+21+41+…)P=3a⋅2=6aa=6PQ=31⋅36P2P2=363Q