TestMagic

bmwhype · 11-24-2007, 10:42 AM

If a square is formed by joining the points
A(-2, 1)
B(1, 5)
C(5, 2)
D(2, -2)
What is the area of ABCD?

tublai · 11-24-2007, 10:56 AM

AB = sqrt( (1+2)^2 + (5-1)^2 ) = sqrt ( 9 + 16 ) = 5

AB=BC=CD=DA= 5 units

Area = 25 sq units

narinder82 · 11-24-2007, 06:01 PM

Area = 25

MBAtoddler · 11-30-2007, 01:26 AM

25 for me 2

bmwhype · 12-19-2007, 07:48 PM

too easy...

11-24-2007, 10:42 AM	#1 (permalink)
bmwhype TestMagic Guru-in-Training Join Date: Dec 2006 Posts: 934	Coordinate Geometry If a square is formed by joining the points A(-2, 1) B(1, 5) C(5, 2) D(2, -2) What is the area of ABCD?

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

11-24-2007, 10:56 AM	#2 (permalink)
tublai Within my grasp! Join Date: Oct 2007 Posts: 247	AB = sqrt( (1+2)^2 + (5-1)^2 ) = sqrt ( 9 + 16 ) = 5 AB=BC=CD=DA= 5 units Area = 25 sq units

11-24-2007, 06:01 PM	#3 (permalink)
narinder82 Within my grasp! Join Date: Sep 2007 Posts: 174	Area = 25

11-30-2007, 01:26 AM	#4 (permalink)
MBAtoddler Eager! Join Date: Sep 2007 Posts: 68	25 for me 2

12-19-2007, 07:48 PM	#5 (permalink)
bmwhype TestMagic Guru-in-Training Join Date: Dec 2006 Posts: 934	too easy...

Free GMAT, GRE, SAT Test, TOEFL practice tests