Write a coordinate proof to show that an isosceles triangle with a vertical altitude that is vertically stretched by a factor of 2 is still an isosceles triangle.

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?