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5 Cards in this Set

  • Front
  • Back

Area of isosceles triangle (180°=x+2y)

1/2 . r^2 sinx

Area of isosceles right triangle

1/2 . a^2

Area of equilateral triangle

√(3)/4 . a^2

30-60-90

1:√3:2

45-45-90

1:1:√2