What is the minimum number of triangles required to construct a 10 sided polygon

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

If the measure of xyz is 81 what is the measure of yz

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.