A designer creates a drawing of a triangular sign on centimeter grid paper for a new business. The drawing has sides measuring 9 cm, 12 cm, and 15 cm, and angles measuring 32 degrees, 58 degrees and 9

A designer creates a drawing of a triangular sign on centimeter grid paper for a new business. The drawing has sides measuring 9 cm, 12 cm, and 15 cm, and angles measuring 32 degrees, 58 degrees and 90 degrees. To create the actual sign shown, the drawing must be dilated using a scale factor of 20