the area of the triangle formed by the line 7x+9y=63 with the coordinate axes is
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Given : line 7x+9y=63
To Find : area of the triangle formed by the line 7x+9y=63 with the coordinate axes
Solution:
7x+9y=63
x = 0 => y = 7
y = 0 => x = 9
Hence side lengths of perpendicular legs of triangle are 7 and 9
Area of Triangle = (1/2) * 7 * 9
= 63/2 sq units
Other method :
Coordinates are
(0 , 0) , (9 , 0) , (0, 7)
Area = (1/2) | 0 (0 - 7) + 9 (7 - 0) + 0(0 - 0) |
= 63/2
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