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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.

• 39 Questions around this concept.

## Solve by difficulty

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:

## 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

$\\\mathrm{|\frac{1}{2}\begin{vmatrix} x_1 &y_1 &1 \\x_2 &y_2 &1 \\x_3 &y_3 &1 \end{vmatrix}|=\frac{1}{2}|x_1(y_2-y_3)+x_2(y_3-y_1)+x_3(y_1-y_2)|}$

## Study it with Videos

Area of Triangle

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## Books

### Reference Books

#### Area of Triangle

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

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