19
1
2
3
.1
(50 cm)2+(30 cm)2=∣AB∣2
2500 cm2+900 cm2=∣AB∣2
3400 cm2=∣AB∣2 ∣
∣AB∣2=3400 cm2 ∣
∣AB∣=3400 cm=34⋅100 cm=34⋅100 cm=34⋅10 cm=1034 cm
C. 1034 cm
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