The two cones below are similar. what is the value of x?

Ineed with number 17 i don’t get it at alll

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6