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Area of a Triangle Using Coordinate of Vertices

The area of t...

Question

The area of the triangle formed by the lines y = x, x = 6 and y = 0 is

(a) 36 sq. units
(b) 18 sq. units
(c) 9 sq. units
(d) 72 sq. units

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Solution

Given and

We have plotting points as when

Therefore, area of

Area of triangle is square units

Hence, the correct choice is _.

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Q. Area of the triangle formed by the line

x + y = 3

and angle bisectors of the pair of straight lines

x^{2} - y^{2} + 2 y = 1

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Area of a Triangle Using Coordinate of Vertices

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