Abrace for a shelf has the shape of a right triangle. its hypotenuse is 16 inches long and the two legs are equal in length. how long are the legs of the triangle?

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.