Jean needs to cut a triangular piece of tile for a mosaic In

Last updated: 7/18/2023

Jean needs to cut a triangular piece of tile for a mosaic In unknown angle as shown in the figure The lengths of PQ QR and PR are 90 millimeters 77 millimeters and 151 millimeters respectively What is the value of the unknown angle R Select the correct answer below 23 27 39 50 051 77 Q 151 90 P