Q6) Kendall and Ava lay out the course shown below for their radio-controlled trucks. In the figure, ^ABD ≈ ACBD. The trucks start at point D, going to point A, up to point B, down to point C, and then back to point D. The trucks travel at a constant speed of 15 feet per second.How long does it take a truck to travel on the course?/3 marks)