the angle measure for angles T and V would be 127 because they are on opposite locations from each other. the angles S and U would 53 because T and U are coplemantery angles (180 degrees) so you subtract. 180-127 to get 53. To find x, on angle S, we simply subtract 1 from 53 (53-1) and divide the answer by 2. To find the lengths of the sides, put them next to each other and separet
them by an equal sign. subtract 3y from both sides of the equation and add 5 to both sides of the equation to get 3y=12. then divide 12 by 3 to get 4 so y=4. Then, simply replace the y with a 4 and solve the equations of the sides.
To use the equation we need a1 and d(the common difference). We have a1 = 57, we need to find d. 93-84 = 9; 84-75=9; 75-66=9; 66-57=9 d = 9 a350 = 57 + (350-1)(9) a350 = 57 + (349)(9) a350 = 57 + 3141 a350 = 3198
