semoga membantu):
ikuti ya...
P ( -1 , 6 ) ---> x1 = -1 dan y1 = 6
Q ( 4 , 18 ) ----> x2 = 4 dan y2 = 18
jarak PQ
PQ² = ( x2 - x1 )² + ( y2 - y1 )²
PQ² = ( 4 - (-1) )² + ( 18 - 6 )²
PQ² = 5² + 12²
PQ² = 25 + 144
PQ² = 169
PQ = √169
PQ = 13
jawaban nya : b. 13
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semoga membantu):
ikuti ya...
P ( -1 , 6 ) ---> x1 = -1 dan y1 = 6
Q ( 4 , 18 ) ----> x2 = 4 dan y2 = 18
jarak PQ
PQ² = ( x2 - x1 )² + ( y2 - y1 )²
PQ² = ( 4 - (-1) )² + ( 18 - 6 )²
PQ² = 5² + 12²
PQ² = 25 + 144
PQ² = 169
PQ = √169
PQ = 13
jawaban nya : b. 13