Question

Draw the graph 2x+y=4and 2x-y = 4 and write the vertices of the triangle formed by thses lines and the y axis find the area of this triangle

Answer 1

The graph is as shown.
Height of triangle=2 units.
Base of the triangle=8 units.
AREA OF TRIANGLE
$= \frac{1}{2} \times base \times height$

$= \frac{1}{2} \times 8 \times 2$
=4×2
=8 sq. units.

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