SSC CGL Tier II 12 Apr 2015 Paper

Question : 26 of 100

Marks: +1, -0

The area (in square units) of the triangle formed by the graphs of the equations x = 4, y = 3 and 3x + 4y = 12 ; is

Solution:

(3) On putting x = 0 in the equation 3x + 4y = 12,
4y = 12, ⇒ y = 3
Again on putting y = 0,
3x = 12 ⇒ x = 4

x	0	4
y	3	0

Area of ΔABC

=1/2 × AC × BC

=1/2 × 3 × 4 = 6

square units

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