Question

I'm stuck on both I really need help and explanations

Answer 1

Answer:

9. 204 cm squared

10. 108 m squared

Step-by-step explanation:

9. 18 x 12 = 216    

4 x 3 = 12    

216 - 12 = 204

10. you break it up however you wan to this is how i like to break it up.

3 x 18 = 54

3(6 + 6) = 36

3 x 6 = 18

54 + 36 + 18 = 108

Answer 2

Answer:

9 : A=204 cm²

10: total area  of the shape = 18+36+54 = 108 cm²

Step-by-step explanation:

the first sape

the area of the whole shape - unshaded  area : L*W-(l*w)

A=12*18-(3*4)

A=204 cm²

the second figure :

you can divided into three parts :(screenshot)

dimensions :

first part : l*w=3*6=18 cm²

second part:6*6=36 cm²

third shape : 9*6=54 cm²

10: total area  of the shape = 18+36+54 = 108 cm²