Question 1

Calculate the area of a circle with radius of 3cm in terms of $\pi$

Accepted Answer

9$\pi$

Answer

3$\pi$

Answer

27$\pi$

Answer

36$\pi$

Question 2

Calculate the circumfrence of a circle with a diameter of 8cm in terms of $\pi$

Accepted Answer

8$\pi$

Answer

12$\pi$

Answer

16$\pi$

Answer

4$\pi$

Question 3

Calculate the area of a semi circle with diameter of 10cm in terms of $\pi$

Accepted Answer

12.5$\pi$

Answer

25$\pi$

Answer

5$\pi$

Answer

10$\pi$

Question 4

Calculate the perimeter of a semi circle with radius of 6cm in terms of $\pi$

Accepted Answer

6$\pi$ + 12

Answer

6$\pi$ + 6

Answer

12$\pi$+ 6

Answer

12$\pi$ + 12

Question 5

Calculate the area of a sector with a radius of 10cm and an angle of 60 degrees

Accepted Answer

13.1cm$^2$

Answer

1.3cm$^2$

Answer

78.5cm$^2$

Answer

0.2cm$^2$

Question 6

Calculate the area of a sector with a radius of 5cm and an exterior angle of 60 degrees

Accepted Answer

65.4cm$^2$

Answer

0.2cm$^2$

Answer

13.1cm$^2$

Answer

78.5cm$^2$

Question 7

Calculate the arc length of a sector with a radius of 5cm and an angle of 60 degrees

Accepted Answer

5.2cm

Answer

31.4cm

Answer

0.5cm

Answer

2.6cm

Question 8

Calculate the perimeter of a sector with radius 5cm and angle of 60 degrees

Accepted Answer

15.2cm

Answer

5.2cm

Answer

10.2cm

Answer

20.2cm

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