Use the exterior angle theorem the triangle below, solve for the x value and the measure in degrees of the stated angle
Don't forget to set up the equation before solving,
Find mR
T

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image