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Mathematics 15 Online
OpenStudy (anonymous):

A camp swimming race starts from the end of a 30-m long pier. The finish point is on the shore 80 m from the foot of the pier. How long is the race? a. 85m b. 60m c. 70m d. 74m

OpenStudy (anonymous):

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

looks like pythagoras for the answer the hypotenuse of the triangle is what you are looking for, and \[a^2+b^2=h^2\]

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