tentukan jarak antara 2 titik A.(10,20),(13,16) B.(15,37),(42,73) C.(-19,-16),(-2,14)
Matematika
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Pertanyaan
tentukan jarak antara 2 titik
A.(10,20),(13,16)
B.(15,37),(42,73)
C.(-19,-16),(-2,14)
A.(10,20),(13,16)
B.(15,37),(42,73)
C.(-19,-16),(-2,14)
1 Jawaban
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1. Jawaban Anonyme
jawab
r =jarak
A)
r² = (10-13)^2 + (20-16)^2
r² = 9 + 16 = 25
r = 5
B)
r² = (15-42)^2 +(37 -73)^2
r^2 = 729 + 1.296 = 2.025
r= 45
c)
r^2 = (-19+ 2)^2 + (-16 -14)^2
r^2 = (-17)^2 + (-30)^2
r^2 = 1189
r = √1189 = 34,5