SOLUTION: Gina's school is due west of her house and due south of her friend Andy's house. The distance between the school and Andy's house is 3 kilometers and the straight-line distance bet

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Question 1081798: Gina's school is due west of her house and due south of her friend Andy's house. The distance between the school and Andy's house is 3 kilometers and the straight-line distance between Gina's house and Andy's house is 4 kilometers. How far is Gina's house from school? If necessary, round to the nearest tenth.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
A
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|3---------4
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S-----------------G
This is 3^2 +x^2=4^2
x^2=7
x=2.6 km (sqrt (7))