# What is wrong with this program? **URL:** \ **Category:** Ruby\ **Created:** [August 7, 2009, 5:51am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343 "2009-08-07T05:51:40Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 5:51am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/1 "2009-08-07T05:51:40Z")
I don’t understand what is wrong with this program. It gives an error: ‘findarea’ undefined local variable or method ‘area\_of\_triangle’ Both ‘findarea’ and ‘area\_of\_triangle’ are clearly defined. ---
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 6:10am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/2 "2009-08-07T06:10:48Z")
On Aug 6, 11:51 pm, Prateek A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > I don’t understand what is wrong with this program. It gives an error: > ‘findarea’ undefined local variable or method ‘area\_of\_triangle’ > Both ‘findarea’ and ‘area\_of\_triangle’ are clearly defined. > > Attachments:[http://www.ruby-forum.com/attachment/3933/Q3a1.rb](http://www.ruby-forum.com/attachment/3933/Q3a1.rb) > > – > Posted viahttp://www.ruby-forum.com/. Prateek, You post alot of basic troubleshooting questions on the list. This really is something you need to learn to do on your own when programming, as no one gets their code right the first time through the keyboard. But for this, a simple Ctrl+F through your own code will give you the answer. ---
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 7:33am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/3 "2009-08-07T07:33:35Z")
Hi two errors there 1 area\_of\_triange=Math.sqrt(s\*(s-side\_a)_(s-side\_b)_(s-side\_c)) spelling mistake in area\_of\_triange 2 return area area is not defined Sijo ---
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 9:23am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/4 "2009-08-07T09:23:54Z")
On Aug 7, 1:33 am, Sijo Kg [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Posted viahttp://www.ruby-forum.com/. > One of my friends during conversation: what i have learned from my time at hms both as a tech and as a mentor that getting answers is a drug. you get addicted to it. if you find some venue through which you happen to get a bunch of answers, be it a forum or list or nate coffield, you will abuse it until it turns on you ---
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 7:30am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/5 "2009-08-07T07:30:21Z")
On Aug 6, 2009, at 21:10, pharrington wrote: > Prateek, > > You post alot of basic troubleshooting questions on the list. This > really is something you need to learn to do on your own when > programming, as no one gets their code right the first time through > the keyboard. > > But for this, a simple Ctrl+F through your own code will give you the > answer. Also, seems to be homework based on the filename. ---
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 9:03pm UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/6 "2009-08-07T21:03:20Z")
pharrington wrote: > what i have learned from my time at hms both as a tech and as a mentor > that getting answers is a drug. you get addicted to it. if you find > some venue through which you happen to get a bunch of answers, be it a > forum or list or nate coffield, you will abuse it until it turns on you Ya ya… I can quit any time … just give me some more answers please… ilan ---
**Author:** ![prateekagarwal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/b38774/32.png) [@prateekagarwal](https://www.ruby-forum.com/u/prateekagarwal)\ **Post date:** [August 7, 2009, 9:42am UTC](https://www.ruby-forum.com/t/what-is-wrong-with-this-program/173343/7 "2009-08-07T09:42:04Z")
Hey, There are couple of things to be mended in the function “findarea”. They are (i) “area\_of\_segment=(4.0/3)\*area\_of\_triangle” But in the prev line, you have declared the variable as “area\_of\_triange”. “L(l) is missing.” (ii) You’re returning the variable “area” from the function to the main block. But there is no such variable in the function. Guess it has to be “area\_of\_segment”. This should work now. - Balbao.