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On the xy-coordinate plane, what is the area of a triangle with vertic [#permalink]
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SajjadAhmad wrote:
On the xy-coordinate plane, what is the area of a triangle with vertices at (-4, -3), (5, -3), and (-2, -7) ?

(A) 4
(B) 9
(C) 12
(D) 18
(E) 36



Please check image for the formula to use when you are given the co-ordinates of all 3 vertices of a triangle

After plugging in the values, Area = 18

Hence Option D is correct.
Hit Kudos If you liked it. 8-).
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On the xy-coordinate plane, what is the area of a triangle with vertic [#permalink]
SajjadAhmad wrote:
On the xy-coordinate plane, what is the area of a triangle with vertices at (-4, -3), (5, -3), and (-2, -7) ?

(A) 4
(B) 9
(C) 12
(D) 18
(E) 36


because the triangle visually approximates a right 60-30 triangle,
and hypotenuse=9,
try 1/2*4.5*4.5√3=17.54
D
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On the xy-coordinate plane, what is the area of a triangle with vertic [#permalink]
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