Question

Answer 1

5.A

6.B

7.C

8.D

9.C

10.A

11.D

12.B

13.C

Answer 2

5 . A

6. \(\dfrac{1}{4}\times\dfrac{1}{4}\times3,14=\dfrac{3,14}{16}=0,19625\left(m^2\right)\\ B\)

7 . C

8. \(\left(\dfrac{4}{5}:2\right)\times\left(\dfrac{4}{5}:2\right)\times3,14=\dfrac{2}{5}\times\dfrac{2}{5}\times3,14=0,5024\left(cm^2\right)\\ D\)

9 . C

Answer 3

5.A

6.B

7.C

8.D

9.C

10.A

11.D

12.B

Answer 4

5.A

6.B

7.C

8.D

9.C

10.A

11.D

12.B

13.C