What is the area of triangle lmn?
a)12 square units
b)14 square units
c)15 square units
d)24 square units

Option A

12 square units

Explanation:

12 square units ie count up the vertical height of the triangle which is 6 units and then count up the horizontal length of it which is 4 so 6 x 4=24 for the rectangle formed by L x M but the triangle is only 1/2 of this area = 24/2= 12.

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