Perimeter of an isosceles triangle is 42 cm July 8, 2019 16 32 64 128 The perimeter of an isosceles triangle is 42 cm The perimeter of an isosceles triangle is 42 cm and its base is 1 1 2 The perimeter of an isosceles triangle is 42 cm and its base is 3 Perimeter of triangle Area of an isosceles triangle Perimeter of rectangle and area Perimeter of rectangle formula