Answer:
96 cm^2
Step-by-step explanation:
(5)(12) = 60
(8-5)(12-4) = 24
(12-4)(3)(1/2) = 12
60+24+12 = 96
area of the polygon
(12cm ×5 cm) +(3 cm×8 cm) +(1/2×8 cm× 3 cm)
60 cm² +24 cm² +12 cm²
96 cm²
