RRB Junior Engineer Stage 1 Model Papers 8

Question : 14 of 100

Marks: +1, -0

The total area (in sq. unit) of the triangles formed by the graph of

4x + 5y = 40

, x-axis, y-axis and x = 5 and y = 4 is

Solution:

Area of ΔABC

=1/2×BC×AC=1/2×(10-5)×4=1/2×5×4

Area =10 sq unit.

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