Constructed 67424

There are six lines 3 cm, 4 cm, 5 cm, 7 cm, 8 cm, and 9 cm long, two of each length. How many isosceles triangles can be constructed from them? List all options.

Correct answer:

n =  20

Step-by-step explanation:

a+b>c b+c>a a+c>b  3,3,4 3,3,5  4,4,3 4,4,5 4,4,7  5,5,3 5,5,4 5,5,7 5,5,8 5,5,9  7,7,3 7,7,4 7,7,5 7,7,8 7,7,9  9,9,3 9,9,4 9,9,5 9,9,7 9,9,8  n=20



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
See also our permutations calculator.
See also our variations calculator.
See also our trigonometric triangle calculator.
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: