Respuesta :

Silem2020

Answer:

Q#9: A 27/2

Q#10: A 9/2

Step-by-step explanation:

Q#9:

these triangles are similar so we have to take the ratios:

8/(12+8)=8/20

8/20=9/(9+x)

8*(9+x)=20*9

72 +8x=180

108=8x

x=27/2

Q#10:

6/10=x/(12-x)

6(12-x)=10x

72-6x=10x

72=16x

x=9/2

sbrnaries

Answer:

Question 9: A. 27/2

Question 10: A. 9/2

Step-by-step explanation:

I believe Silem2020 is correct, I Checked on paper.