draw graph of x/3 + y/4 = 1 find the area of triangle formed with Axis
please give the right answer with explanation
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3
x
+
4
y
=1 Also, find the area of the triangle formed by the line and the coordinate axes.
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ANSWER
3
x
+
4
y
=1
⇒
12
4x+3y
=1
⇒4x+3y=12
x=
4
12−3y
Let the graph cut the x-axis at A(3,0) and y-axis at B(0,4)
Then ΔAOB is a right-angled.
Base OA=3 units, Height OB=4 units
Area of the triangle=
2
1
× base× height
=
2
1
×3×4
=6 sq.units.
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