Question

type the correct answer in each box. use numerals instead of words. an a - frame restaurant is shaped as a triangle with two side lengths of 20 m and 30 m. complete the inequality below to describe the range of possible lengths x of the third side of the restaurant.

Explanation:

Step1: 根据三角形三边关系

两边之差小于第三边，即$30 - 20

Answer:

$10