How many isosceles triangles with whole-number length sides have a perimeter of 28 units?

Guest Jul 10, 2021

#2**+4 **

Hey there, Guest!

Okay, so first, let's list all the possibilities out:

1. (8, 8, 12)

2. (9, 9, 10)

3. (10, 10, 8)

4. (11, 11, 6)

5. (12, 12, 4)

6. (13, 13, 2)

So there you have it, there are 6 isosceles triangles.

Hope this helped! :)

( ﾟдﾟ)つ Bye

TaliaArticula Jul 11, 2021