Respuesta :

park97

Answer:

#9: 10.5

Step-by-step explanation:

128[tex]\frac{5}{8}[/tex] / 12[tex]\frac{1}{4}[/tex]

(Only did #9 because I don't have enough brain power to do the other one, hope you find someone else to do that.)

area of triangle=1/2(p×b)=1/2(17×17)=144.5cm²

area of rectangle=l×b=(10+17+7)×17=578cm² is the correct answer to the question