It is currently 20 Nov 2017, 23:37

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# What is the radius of a circle inscribed in a triangle whose

Author Message
Senior Manager
Joined: 30 Aug 2003
Posts: 328

Kudos [?]: 26 [0], given: 0

Location: BACARDIVILLE
What is the radius of a circle inscribed in a triangle whose [#permalink]

### Show Tags

01 Mar 2004, 13:54
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

What is the radius of a circle inscribed in a triangle whose sides measure 21cm, 72cm and 75cm?

9cm
37.5cm
28.5cm
14cm

_________________

Pls include reasoning along with all answer posts.
****GMAT Loco****
Este examen me conduce jodiendo loco

Kudos [?]: 26 [0], given: 0

Senior Manager
Joined: 30 Aug 2003
Posts: 318

Kudos [?]: 29 [0], given: 0

Location: dallas , tx

### Show Tags

01 Mar 2004, 18:29
Since this is a right triangle the area is 21x72/2=756. The area of a triangle that has a circle inscribed is S=pr ( p-half the perimeter of triangle, r-radius of inscribed circle).P=168,(21+75+72) ,p=P/2=84 Then 756/84= r =9
_________________

shubhangi

Kudos [?]: 29 [0], given: 0

01 Mar 2004, 18:29
Display posts from previous: Sort by

# What is the radius of a circle inscribed in a triangle whose

Moderator: chetan2u

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.