Respuesta :

msm555

Answer:

Solution given:.

area of traingle EFG=1/2b×h=1/2×7×6=21cm²

area of rectangle ABCD=l×b=(20+9)×7=203cm²

area of rectangle BHIJ=l×b=9×11=99cm²

Total area =21+203+99=323cm² is a required answer

Ver imagen msm555
323 cm squared is the answer


Top rectangle: 9x18= 162
Lower rectangle: 20x7=140
Triangle: 1/2bh = 1/2(6)(7) = 21

162+140+21 = 323 cm squared