Decide whether ABC is a right angle triangle

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Tags
Categories
Ask a Question

Kviksilver asked Oct 15, 2022

373,951 views

25 votes

Decide whether ABC is a right angle triangle

Mathematics
college

Kviksilver asked Oct 15, 2022

by Kviksilver

2.7k points

0 Comments

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Your answer

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

2 Answers

22 votes

Answer:

AC = 22 - 8 - 5 = 9

AC² = AB² + BC²

81 = 64 + 25

81 is not equal to 89

Explanation:

MikeZ answered Oct 15, 2022

by MikeZ

3.1k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

27 votes

The triangle is not a right angle

AC = 22 - 8 - 5 = 9
AC² = AB² + BC²
81 = 64 + 25
81 isn't equal to 89, the triangle is not a right angle

Mike Freedman answered Oct 21, 2022

by Mike Freedman

2.7k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Ask a Question

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

1.6m questions

2.0m answers

0 Comments

Your comment on this question:

Your answer

2 Answers

0 Comments

Your comment on this answer:

0 Comments

Your comment on this answer:

Other Questions