16. The diagram shows a seven-sided polygon, PQRSTUV. It is formed from two equilateral triangles POW and STU of side-length 5 cm and 8 cm respectively. The two triangles overlap in an equilateral triangle of side-length 2 cm. What is the perimeter of PQRSTUV? A 27 cm B 30 cm C 33 cm D) 36 cm E 39 cm U P V 5 cm 8 cm 2 cm QR S W T with 10 counters. In each round of the​