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Mathematics 9 Online
OpenStudy (julia):

Check my answer pls? (will medal)

OpenStudy (julia):

MY ANSWER IS D. Am i correct? Find the missing length in the triangle. Round to the nearest tenth. Leg: 21 ft, Hypotenuse: 35 ft a) 56 ft b) 40.8 ft c) 14 ft d) 28 ft

OpenStudy (misty1212):

HI!!

OpenStudy (julia):

hey! :)

OpenStudy (misty1212):

did you do \[\sqrt{35^2-21^2}\]?

OpenStudy (julia):

yes

OpenStudy (misty1212):

oh then it is right

OpenStudy (misty1212):

another way is to remember the famous 3 - 4 - 5 right triangle if you multiply all by 7 you get 21 - 28 - 35

OpenStudy (misty1212):

so yeah, 28 is right

OpenStudy (julia):

ok thanks for checking :) @misty1212

OpenStudy (misty1212):

\[\color\red\heartsuit\]

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