Question

6. △ABC is a right triangle where ∠C=90°. If AB = 12 and BC = 8, then AC = __________________

Answer 1

Use the Pythagorean Theorem for this:

AB²=BC²+AC²

12²=8²+AC²

144=64+AC²

144-64=AC²

80=AC²

AC=

`√(80)`

AC= 8.94427