Anna is trying to find the length of segment AC. Which equation could she use?

AC = 2 + 7

AC ^ 2 = 4 ^ 2 + 1 ^ 2

A C ^ 2 = 2 ^ 2 + 7 ^ 2

AC ^ 2 = 7 ^ 2 - 2 ^ 2

1 answer

A C ^ 2 = 2 ^ 2 + 7 ^ 2