Area of Triangle Using Coordinate
Area of Triangle Using Coordinate
We know that area of the trapezium ABCD whose two parallel sides are AB and DC and the distance between parallel sides is h, is given by
Let ABC be a triangle with vertices and
as shown in figure below.
Draw the ordinates AL, CM and BN.
Note that area of triangle ABC = Area of trapezium ALNB + Area of trapezium ACML - Area of trapezium BCMN
=
But
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For what value of 'n' the area of the triangle formd with points (1, n), (3, 5) and (-1, 2) will be 5 sq units ? | |||
| Right Option : A | |||
| View Explanation | |||
What is the area of the triangle formed by joining the points (0 , 0) , (2 , 4) and ( 2 , 0) ? | |||
| Right Option : B | |||
| View Explanation | |||
Vertices of a triangle are (-2,0),(3,0) and (0,5). Area of this triangle is ______________ (in sq. units) | |||
| Right Option : B | |||
| View Explanation | |||
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