Jawapan

2016-09-21T14:48:06+08:00
Maaf gambar macam tak cukup je
maaf.. tapi tu je soalannya...
Jawapan Paling Bijak!
2016-09-23T22:20:03+08:00
Jarak QR = √ ((x2-x1)² + (y2-y1)²)
16 = √ ((10-x)² + (5-5)²)
16² = (10-x)² + 0
16 = 10-x
x = 10-16 = -6
1 5 1