Question

The size of a computer monitor is defined as the diagonal distance between opposite corners

of the monitor. Terrence is buying a monitor that is 9 inches by 40 inches. What is the size of
the monitor?

Answer 1

41 inches

Explanation:

Use the Pythagorean theorem.

a² + b² = c²

9² + 40² = c²

81 + 1600 = c²

c = √1681

c = 41

Answer: 41 inches