188k views
0 votes
Given the triangle below, what is the length of the third side, rounded to the nearest whole number?

Given the triangle below, what is the length of the third side, rounded to the nearest-example-1
User Ruanhao
by
8.6k points

1 Answer

3 votes

Answer:

Explanation:

You need the Law of Cosines for this, namely:


x^2=21^2+14^2-2(21)(14)cos58 where x is the missing side.


x^2=441+196-311.5925 and


x^2=325.4075 so

x = 18.0 or just 18

User Karellm
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories