someone please find the answer and give an explanation on howyou found the answer rlly quickly!!!

30 Discuss with your partner how we might find the length of the line. (7,7) Find the length of a line using distance formula and Pythagoras 7 6 5 1234 d = V(x2-x} + (Yery, c²=a² tb 4 2 3 (2,4) 2 1 0 1 2 a 1 5 7 0 10 C