jika kordinat p=(2,3)dan Q (-1,1) tentukan jarak antara p dan Q

P=(2,3) -> x1 = 2, y1 = 3
Q=(-1,1) -> x2 = -1, y2 = 1

jarak² = (x1 - x2)² + (y1 - y2)²
jarak² = (2 - (-1))² + (3 - 1)²
jarak² = 3² + 2²
jarak² = 9 + 4
jarak² = 13
jarak = √13