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## Comment on

Triangles - Part I## For these difficult questions

## I'm assuming you're referring

I'm assuming you're referring to Data Sufficiency (DS) questions.

It's true that, for the very hard DS questions, it's more likely that the correct answer is A, B or D. HOWEVER, the problem with this strategy is that the computer adaptive nature of the GMAT ensures that everyone struggles. So, most people may feel that the correct answer to their tricky question will also be more likely to be A, B or D.

## sir one more doubt

https://gmatclub.com/forum/in-triangle-abc-above-what-is-the-length-of-side-bc-168281.html

## I have answered that question

I have answered that question here: http://www.beatthegmat.com/another-ds-problem-t276598.html

Here's the link to the solution only: http://postimg.org/image/ri7ax9f8t/

## Thank You sir

## sir one more

https://gmatclub.com/forum/if-the-sides-of-a-triangle-have-lengths-x-y-and-z-x-y-113217.html

## Here's my solution: https:/

Here's my solution: https://gmatclub.com/forum/if-the-sides-of-a-triangle-have-lengths-x-y-a...

## Hi Brent,

Could you please explain solution to this answer. I am not able to figure it out?

https://gmatclub.com/forum/in-the-figure-above-what-is-the-value-of-x-y-144330.html

Also, Are Similar & Identical triangles one & the same or do they differ? Also, in case of two identical triangles, are their sides equal or are they equal in proportion?

## Question link: https:/

Question link: https://gmatclub.com/forum/in-the-figure-above-what-is-the-value-of-x-y-...

You bet!

Here's my solution: https://gmatclub.com/forum/in-the-figure-above-what-is-the-value-of-x-y-...

ASIDE: Identical triangles are . . . identical. Their corresponding angles are all equal AND their corresponding sides have equal length.

In SIMILAR triangles, the corresponding angles are equal, and the corresponding sides are PROPORTIONAL to each other.

Here's the video on similar triangles: https://www.gmatprepnow.com/module/gmat-geometry/video/872

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