Haryana Police Constable Model Paper 7

Question : 20 of 101

Marks: +1, -0

The area in sq. unit. Of the triangle formed by the graphs of x = 4, y = 3 and 3x + 4y = 12 is

Solution:

Lines made by

\x = 4, \y = 3

and

3\x + 4\y = 12

meet at point

\A (4,0)

and

\B(3,0)

and

\C(4,3)

Area in of the triangle

= 1/2 ×\base×\height

Area in of the triangle

\ABC = 1/2 ×\BC×\AC

= 1/2 ×4×3

= 6 sq unit

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