Question and answer
4. A triangle has side lengths of 12 cm, 15 cm, and 20 cm. Classify it as acute, obtuse, or right.
Question
Asked 2/21/2013 12:20:53 PM
Updated 9/17/2014 3:15:11 AM
1 Answer/Comment
Flagged by yeswey [9/17/2014 3:15:11 AM]
Get an answer
Original conversation
User: 4. A triangle has side lengths of 12 cm, 15 cm, and 20 cm. Classify it as acute, obtuse, or right.

Question
Asked 2/21/2013 12:20:53 PM
Updated 9/17/2014 3:15:11 AM
1 Answer/Comment
Flagged by yeswey [9/17/2014 3:15:11 AM]
New answers
Rating
3
12^2 + 15^2 = 144 + 225 = 369
20^2 = 400
369 < 400
12^2 + 15^2 < 20^2
Thus, It is an obtuse triangle.

Added 9/17/2014 3:15:02 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [9/17/2014 3:35:59 AM]
Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
27,361,233
questions answered
GET
Answers.
GET THE APP.
weegy*
*
Get answers from Weegy and a team of really smart live experts.
Popular Conversations
A universal truth is one that readers A. realize is archaic and ...
Weegy: A universal truth is one that readers accept as a fact in some cases but not others.
9/20/2018 6:51:55 PM| 2 Answers
Synonym for poor:
Weegy: A synonym is a word or phrase that means exactly or nearly the same as another word or phrase in the same ...
9/16/2018 4:15:32 PM| 2 Answers
S
L
Points 1178 [Total 1489] Ratings 14 Comments 1038 Invitations 0 Offline
S
R
L
R
P
R
P
R
R
R
R
Points 425 [Total 1309] Ratings 3 Comments 305 Invitations 9 Offline
S
L
R
P
R
P
R
P
R
Points 421 [Total 1196] Ratings 3 Comments 361 Invitations 3 Offline
S
L
P
P
P
Points 356 [Total 1232] Ratings 0 Comments 356 Invitations 0 Offline
S
L
R
Points 38 [Total 155] Ratings 0 Comments 38 Invitations 0 Online
S
Points 33 [Total 33] Ratings 1 Comments 23 Invitations 0 Offline
S
Points 23 [Total 23] Ratings 0 Comments 23 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
L
1
R
Points 2 [Total 1453] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.