Which of the following pairs show(s) triangles that are similar but not congruent? Three pairs of triangles are shown. Pair A: A pair of scalene triangles is shown. All three sides of the first triangle are not equal in length to all three sides of the second triangle. Each angle in the first triangle is equal to each angle in the second triangle. Pair B: A pair of right triangles is shown. All three sides of the first triangle are equal in length to all three sides of the second triangle and each angle in the first triangle is equal to each angle in the second triangle. Pair C: A pair of isosceles triangles is shown. All three sides of the first triangle are not equal in length to all three sides of the second triangle. Each angle in the first triangle is equal to each angle in the second triangle. A, B, and C B only B and C only A and C only