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Area of Triangle in Coordinate Geometry - Practice Questions & MCQ

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main

Quick Facts

  • Area of Triangle is considered one the most difficult concept.

  • 55 Questions around this concept.

Solve by difficulty

Let a line y=mx(m>0) intersect the parabola, y2=xat a point P, other than the  origin. Let the tangent to it at P meet the x-axis at the point Q . If area (OPQ)=4 sq.units, then m is equal to

Drawn from the origin are two mutually perpendicular lines forming an isosceles triangle together with a straight line \mathrm{2 x+y=a}, then the area of this triangle is:

Let three vectors a=αi^+4j^+2k^, b=5i^+3j^+4k^,c=xi^+yj^+zk^ from a triangle such that c=ab and the area of the triangle is 56. if α is a positive real number, then |c|2 is :

The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices (0,0), (0,41) and (41,0) is :

Let A=(4,0),B=(0,12) be two points in the plane. The locus of a point C such that the area of triangle ABC18sq. units are

Let the parabola y=x2+px3, meet the coordinate axes at the points P,Q and R . If the circle C with centre at (1,1) passes through the points P,Q and R, then the area of PQR is :

Concepts Covered - 1

Area of Triangle

Area of Triangle

If vertices of a triangle ABC given as A (x1, y1), B (x2, y2) and C(x3, y3), then area of ΔABC is 

|12|x1y11x2y21x3y31||=12|x1(y2y3)+x2(y3y1)+x3(y1y2)|

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Area of Triangle

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Books

Reference Books

Area of Triangle

Mathematics for Joint Entrance Examination JEE (Advanced) : Coordinate Geometry

Page No. : 1.6

Line : 13

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