Select the equation below that shows the correct setup to solve for the length of side BC in the triangle above.
• 9^2+x^2=7^2
• 9^2 + 7^2=x^2
• 7^2 -x^2=9^2
• x^2 - 7^2= 9^2
• 7^2 + x^2= 9^2

Select the equation below that shows the correct setup to solve for the length of side BC in the triangle above 92x272 92 72x2 72 x292 x2 72 92 72 x2 92 class=