There is a part a and a part b to this question Thank you in advance!!

HW#3 Begin Date: 2/7/2022 12:01:00 AM -- Due Date: 2/14/2022 11:59:00 PM End Date: 2/14/2022 11:59:00 PM (7%) Problem 10: A farmer wants to fence off his four-sided plot of flat land, as shown in the figure. He measures the first three sides, labeled as A, B, and C, where A = 4.5 km, B = 2.25 km, and C = 2.75 km, and then correctly calculates the length and orientation of the fourth side D. Y A + B +C +D=0 N C W D = ? km E 0 - ? 190 -4- D S 16 X R 7.5 A Otheexpertta.com *50% Part (a) What is the length of the vector D in kilometers? Grade Summary D = - 9.51 Deductions 0% Potential 100% sino cos( tan( 7 8 9 HOME Submissions Attempts remaining: 19 cotan( asin() acos( E 4 5 0% per attempt atan() acotan() sinhO 2 3 detailed view cosho tanh() cotanh() 0 END Degrees O Radians vo BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2 for a 0% deduction. Hints remaining: 2 Feedback: 0% deduction per feedback. How is the side D related to the other sides? Can you write an vector equation which shows how they are related? 4 50% Part (b) What is the orientation of the vector D, in degrees west of south