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If a triangle in the xycoordinate system has vertices at [#permalink]
30 Nov 2018, 17:48
Question Stats:
84% (01:08) correct
15% (01:30) wrong based on 26 sessions
If a triangle in the xycoordinate system has vertices at (– 2, –3), (4, –3) and (28, 7), what is the area of the triangle? A. 30 B. 36 C. 48 D. 60 E. 65
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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
03 Dec 2018, 05:14
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Wait this isn't multiple choice with select all that apply..



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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
03 Dec 2018, 12:29
Moved, thanks Sir. Regards
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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
11 Dec 2018, 10:29
High 10 base 30 ? Posted from my mobile device



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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
07 Jan 2019, 19:53
tagedwedw wrote: High 10 base 30 ? Posted from my mobile device No, Height 10 Base 6 Area = \(\frac{1}{2}*6*10=30\)
Last edited by AE on 08 Jan 2019, 16:56, edited 1 time in total.



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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
07 Jan 2019, 20:26
Carcass wrote: If a triangle in the xycoordinate system has vertices at (– 2, –3), (4, –3) and (28, 7), what is the area of the triangle?
A. 30
B. 36
C. 48
D. 60
E. 65 (2,3) and (4,3) is a straight line parallel to x axis at y=3. Therefore let's take this as the base..so Base = 4(2)=4+2=6.. Now the third vertice is (28,7).. If we are taking base as parallel to xaxis , the height will be parallel to yaxis. Therefore height is 7(3)=7+3=10 Area will be \(\frac{1}{2}*6*10=30\) A
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Some useful Theory. 1. Arithmetic and Geometric progressions : https://greprepclub.com/forum/progressionsarithmeticgeometricandharmonic11574.html#p27048 2. Effect of Arithmetic Operations on fraction : https://greprepclub.com/forum/effectsofarithmeticoperationsonfractions11573.html?sid=d570445335a783891cd4d48a17db9825 3. Remainders : https://greprepclub.com/forum/remainderswhatyoushouldknow11524.html 4. Number properties : https://greprepclub.com/forum/numberpropertyallyourequire11518.html 5. Absolute Modulus and Inequalities : https://greprepclub.com/forum/absolutemodulusabetterunderstanding11281.html



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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
08 Jan 2019, 17:01
chetan2u wrote:
(2,3) and (4,3) is a straight line parallel to y axis at y=3. Therefore let's take this as the base..so Base = 4(2)=4+2=6..
Is it parallel to y axis or x axis? Please make it clear.



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Re: If a triangle in the xycoordinate system has vertices at [#permalink]
08 Jan 2019, 18:50
AE wrote: chetan2u wrote:
(2,3) and (4,3) is a straight line parallel to y axis at y=3. Therefore let's take this as the base..so Base = 4(2)=4+2=6..
Is it parallel to y axis or x axis? Please make it clear. y=3 will be parallel to zaxis. Thanks edited
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Some useful Theory. 1. Arithmetic and Geometric progressions : https://greprepclub.com/forum/progressionsarithmeticgeometricandharmonic11574.html#p27048 2. Effect of Arithmetic Operations on fraction : https://greprepclub.com/forum/effectsofarithmeticoperationsonfractions11573.html?sid=d570445335a783891cd4d48a17db9825 3. Remainders : https://greprepclub.com/forum/remainderswhatyoushouldknow11524.html 4. Number properties : https://greprepclub.com/forum/numberpropertyallyourequire11518.html 5. Absolute Modulus and Inequalities : https://greprepclub.com/forum/absolutemodulusabetterunderstanding11281.html




Re: If a triangle in the xycoordinate system has vertices at
[#permalink]
08 Jan 2019, 18:50





