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Asked by g_archanasharma | 28 Mar, 2019, 11:58: AM
Expert Answer
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, 03:49: PM
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