210k views
5 votes
A triangle has side lengths measuring 20cm, 5cm, and n cm. Which describes the possible values of n?

User Boram
by
8.8k points

1 Answer

4 votes
The sum of any two sides must be greater than the third side.

So if n is the largest side:

n<20+5

n<25

And if 20 is the largest side:

n+5>20 subtract 5 from both sides

n>15

Since n>15 and n<25

15<n<25 or in interval notation:

n=(15, 25)
User Adam Jakiela
by
8.0k 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