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Asked by g_archanasharma | 28 Mar, 2019, 11:58: AM
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Equation of parabola :   y2 = 4x
 
if the ordinate of a point is 1, then abscissa :  x = 1/4  ;  if the ordinate of a point is 2, then abscissa :  x = 1  ;
if the ordinate of a point is 4, then abscissa :  x = 4  ;
 
hence vertices are :   A [ 1/4, 1 ],  B [ 4, 4]  and C [1, 2]
 
Area = (1/2)[ Ax(By - Cy ) + Bx(Cy - Ay ) + Cx (Ay - By ) ] = (1/2) [ (1/4) ( 4 - 2) + 4(2-1) +1(1-4) ] =  (3/4) sq.units
Answered by Thiyagarajan K | 28 Mar, 2019, 15:49: PM

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