SOLUTION: I have to use the Pythagorean Theorem to find the length of the hypotenuse in each right triangle. It says to round to the nearest tenth if necessary. I have looked this up and don

Algebra ->  Pythagorean-theorem -> SOLUTION: I have to use the Pythagorean Theorem to find the length of the hypotenuse in each right triangle. It says to round to the nearest tenth if necessary. I have looked this up and don      Log On


   

Question 402658: I have to use the Pythagorean Theorem to find the length of the hypotenuse in each right triangle. It says to round to the nearest tenth if necessary. I have looked this up and done some problems on my own, such as this problem: the height of the triangle is 15ft, width 20ft, and I must solve for C or the hypotenuse. My work is as follows:
15^2+20^2=c^2
215+400=c^2
615=c^2
sqrt615=c
14.66ft=c
Is this correct?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You made a mistake in thinking that 15%5E2 is equal to 215 when it should be 15%5E2=225 (close)


Try it again and let me know what you get.