Question

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Find the Area of a triangle formed by (1 , -4), (3 , -2) and (-3 , 16).

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Answer 1

Hope its help u ................

Answer 2

Area of the triangle = |1/2 [x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2)]|

= |(1/2) [1(-2-16) + 3(16+4) -3(-4+2)]|

= |(1/2) [-18 + 60 + 6]|

= |(1/2) 48|

= 24 units square.

-WonderGirl