# What is the diagonal length of the suitcase to the nearest tenth of a foot if a suitcase measures 24 inches long and 18 inches high?

##### 1 Answer

Dec 1, 2014

The diagonal length of the suitcase is 30 inches.

Assuming that the length and height of the suitcase form a right angle (90 degree angle), you can use the Pythagorean Theorem (

The diagonal length is equal to the square root of the sum of the length squared and the height squared.