Answer:
to answer this question you have to first split up the diagrams,I'm to lazy to do that but I'll try
area of rectangle- 2mm×4mm=8mm²
area of rectangle 2-6mm×3mm=18mm²
area of rectangle 3- 4mm×2mm=8mm²
area of triangle =1/2 b×h
=1/2×6×18
=54mm²
total area = 8mm²+18mm²+8mm²+54mm²
=88mm²