### Home > GC > Chapter 7 > Lesson 7.1.4 > Problem 7-40

7-40.

Make an accurate and well-labeled diagram of the situation.

Use the right triangle Δ*BCE* and the Pythagorean Theorem to solve for *x*.

*x* = 18 mm

7-40.

Make an accurate and well-labeled diagram of the situation.

Use the right triangle Δ*BCE* and the Pythagorean Theorem to solve for *x*.

*x* = 18 mm