Asked by cookie giver! πŸͺπŸͺ

Determine if the given side lengths could be used to form a unique triangle, many different triangles, or no triangles.

​​20.2 in., 11 in., 8.2 in.

A.
unique triangle

B.
many different triangles

C.
no triangles
Hey ya'll! I'm posting another question like the one I just posted. Do you think you guys can help me out with this or tell me how I can do it? I'm not that good at geometry. Thank you so much if you do!
Answered by Reiny
The sum of any two sides must be greater than the third side to physically form
the triangle, so is ...
20.2 + 11 > 8.2 ?
is 20.2 + 8.2 > 11 ?
is 11 + 8.2 > 20.2 ?

if the answer to any of those is NO, then you can't have a triangle
Answered by cookie giver! πŸͺπŸͺ
okay, so judging by the explanation, I need to find the sum of the math you gave me, and if the first two are greater then the third expression, then it can form a triangle? am I understanding right?
Answered by cookie giver! πŸͺπŸͺ
I looked the expressions up and this is the results
1. true
2. true
3. false
does this mean I can form a triangle?
Answered by Reiny
did you not read my last line ?

"if the answer to any of those is NO, then <b>you can't have</b> a triangle"
Answered by cookie giver! πŸͺπŸͺ
ohhh, sorry, i misunderstood!
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