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SandieAngel338@SandieAngel338·4 May@ganeshuor Formula used a^2+b^2=c^2 Left Triangle: a^2+12^2=13^2 a^2=13*2-12^2= a^2=164-144=25 a^2=√25 a=5 Right triangle: a^2+3^2=5^2 a^2=5^2-3^2= a^2=25-9=16 a^2=√16 a=4 Total base = 5 + 4 = 9Çevir English00274