Problem 2017. Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x?

Image courtesy of Wikipedia.
Solution Stats
Problem Comments
-
3 Comments
Garrett Pesi
on 24 Mar 2018
Definitely helpful if you draw a picture first.
Katelyn Lopez
on 16 Oct 2020
Nice
Adam Turner
on 25 Nov 2020
The 1st and the 3rd test are incorrect
Solution Comments
Show commentsGroup

Matrix Manipulation I
- 16 Problems
- 98 Finishers
- Remove the air bubbles
- Remove NaN ?
- N-Dimensional Array Slice
- Back to basics 21 - Matrix replicating
- Back to basics 23 - Triangular matrix
- Make an awesome ramp for a tiny motorcycle stuntman
- Flip the main diagonal of a matrix
- surrounded matrix
- Some Assembly Required
- Set some matrix elements to zero
- Matrix with different incremental runs
- Removing rows from a matrix is easy - but what about inserting rows?
- Rotate input square matrix 90 degrees CCW without rot90
- Permute diagonal and antidiagonal
- Operate on matrices of unequal, yet similar, size
- Reverse the elements of an array
Problem Recent Solvers6356
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!