Answer:
Option A
12 square units
Step-by-step 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.
Hope this helps! :)