Answer:
8 square units
Step-by-step explanation:
1. Calculate the area of triangle JKL:
Area of JKL = (1/2) * |(2*(3 - 7) + 4*(7 - 3) + 4*(3 - 3))|
= (1/2) * |(-8 + 16 + 0)|
= (1/2) * |8|
= 4 square units
2. Calculate the area of triangle JML:
Area of JML = (1/2) * |(2*(7 - 7) + 2*(7 - 3) + 4*(3 - 7))|
= (1/2) * |(0 + 8 - 16)|
= (1/2) * |-8|
= 4 square units
3. Add the areas of the two triangles to find the total area of quadrilateral JKLM:
Area of JKLM = Area of JKL + Area of JML
= 4 + 4
= 8 square units