**Q2: **

Work out the area of the circle, giving your answer accurate to two decimal places.

**Q3: **

Determine, to the nearest tenth, the area of the given circle.

**Q4: **

Using the area formula and rounding to the nearest hundredth, find the area of the colored circle.

**Q5: **

Given that the inner radius is 6.5 cm and the outer radius 11.5 cm, use 3.14 in place of to find the area of the colored region.

- A
415.27 cm
^{2} - B
132.66 cm
^{2} - C
547.93 cm
^{2} - D
282.6 cm
^{2}

**Q6: **

Determine, to the nearest square centimeter, the area of the colored region of the given figure.

**Q7: **

Using 3.14 to approximate , find the area of the shaded region.

**Q8: **

How can you use the circumference of a circle to work out its area?

- A You multiply by its radius and then multiply by two.
- B You multiply by its diameter and then divide by two.
- C You multiply by its radius squared.
- D You multiply by its radius and then divide by two.
- E You multiply by its diameter squared.

**Q9: **

Emma designed a small circular garden with a diameter of 4.7 m. Determine the area of the garden rounded to the nearest tenth.

**Q10: **

Daniel drew a circle of radius 2 centimeters, and then another of radius 7 centimeters. What is the difference in area between the two, to the nearest square centimeter?

**Q11: **

Matthew drew a circle of radius 2 feet and then another circle around it with a radius that is 1.4 times larger. How much greater is the area of the larger circle? Round the answer to the nearest tenth.

**Q12: **

A sprinkler that sprays water in a circular area can be adjusted to spray up to 19 ft. Determine, to the nearest square foot, the maximum area of lawn that can be watered by the sprinkler.

**Q13: **

Charlotte is baking pizzas for her family. Each pizza has a diameter of 6.3 in. Given that each pizza is divided into 6 equal slices. Determine, to the nearest tenth of a square inch, the area of each slice of pizza.