Ariel completed the work below to show that a triangle with side lengths of 9, 15, and 12 does not form a right triangle. 9² + 15² = 12² 81 + 225 = 144 306 ≠ 144 is ariel’s answer correct? a) no, ariel should have added 12² and 15² and compared that to 9². b) no, ariel should have subtracted 12² from 9² and compared that to 15². c) no, ariel should have added 9² and 12² and compared that to 15². d) yes, ariel’s work is correct.

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

y=mx+

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step-by-step explanation:

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