If r = 1 and θ = 4π/3 what is the approximate arc length

Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet