Sailing

Solve the following problem graphically. The fishing boat left the harbor early morning and set out to the north. After 12 km of sailing, she changed course and continued 9 km west. Then When she docked and reached the fishing grounds, she launched the nets. How far was she from the place of departure?

Correct answer:

x =  15 km

Step-by-step explanation:

a=12 km b=9 km  x2 = a2+b2 x=a2+b2=122+92=15 km



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