Homework Help: Math

Posted by jake on Wednesday, February 15, 2012 at 12:37am.

a ship leaves sydney heads and travels 45 km due east. it then returns and travels 86 km due north. how far is it from its starting point?

please guys step by step.. thank you in advance.

Math - Anonymous, Wednesday, February 15, 2012 at 5:13am
Pythagorean theorem:

c ^ 2 = a ^ 2 + b ^ 2

c = sqrt ( a ^ 2 + b ^ 2 )

In this case :

a = 45

b = 86

c = sqrt ( 45 ^ 2 + 86 ^ 2 )=

sqrt ( 2025 + 7396 ) =

sqrt ( 9421 ) = 97.062 km
Math - httututut7t, Monday, June 11, 2012 at 8:13pm
7i6686855

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