3 Find the Arc Length and Sector Area. (10 points) D. Arc Length (in terms of pi) = ; Sector Area (round to nearest tenths) = 4. Answer the questions below. (10 points) Find the equation of a line that is parallel to x=2y-4 and passes through the point (4.2). 5. Find the equation of a line that has a y-intercept of 2 and it is perpendicular to a line that passes through the points (2, 5) and (-1,4).