The answer should be C
54*30/100= 16.2
54-16.2 = 37.80
Step-by-step explanation:
Answer how I am I suppose to describe george's answer when I can't see what he made a error on?
In mathematics, a triangle group is a group that can be realized geometrically by sequences of reflections across the sides of a triangle. The triangle can be an ordinary Euclidean triangle, a triangle on the sphere, or a hyperbolic triangle. Each triangle group is the symmetry group of a tiling of the Euclidean plane, the sphere, or the hyperbolic plane by congruent triangles, a fundamental domain for the action, called a Möbius triangle.