Answer:Answer: a. AndrewSolution:Perimeter of a trapezoid = sum of all sidesGiven sides: 80 cm, 80 cm, 95 cm, and (missing side not given — assuming fourth side is 80 cm again for symmetry)Perimeter = 80 + 80 + 95 + 80 = 335 cmStep-by-step explanation:hope it helps