Respuesta :

Question 7: Option (4)

[tex]A=(3/8)^2=\frac{9}{64}[/tex]

Question 8: Option (3)

[tex]A=\frac{1}{2}(17)(9)=76.5[/tex]

Question 9: Option (2)

[tex]A=\pi(10)^2 \approx 314[/tex]

7. 1 1/2 sq in
8. 76.5 cm^2
9. 314 sq yd