Respuesta :

allisonhaines
a. (140x110)+[(50x70)/2] = 15,400+1750= 17,150cm^2

b. (4x6)/2= 12cm^2
Banabanana
9(a)
[tex]Area_{ABCD}=110*140=15400 \ cm^2\\ DO=180-110=70 \ cm \\DF=140-50=90 \ cm \\ Area_{DOF}= \frac{70*90}{2}= 3150 \ cm^2 \\ Area_{ABCO}=15400+3150=18550 \ cm^2[/tex]

9(b)
Area = (4*6)/2 = 12 

Second picture
[tex]Area_{ABCE}=8^2=64 \ ft^2 \\ DE= \sqrt{10^2-8^2}= \sqrt{36}=6 \ ft \\ Area_{ADE}=(6*8)/2=24 \ ft^2 \\ Area_{ABCD}=64+24=88 \ ft^2 [/tex]
Ver imagen Banabanana

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