In this worksheet, we will practice solving real-world problems including radical expressions.

**Q5: **

Adel bought a squared greeting card of area 207.36 square centimeters. Find the dimensions of the greeting card.

- A 16.4 cm by 16.4 cm
- B 28.8 cm by 28.8 cm
- C 57.6 cm by 57.6 cm
- D 14.4 cm by 14.4 cm
- E 18.4 cm by 18.4 cm

**Q6: **

Given that , , and , determine the length of .

**Q7: **

Given that a square tile has an area of 81 square inches, determine the dimensions of the tile.

- A 13 inches by 13 inches
- B 18 inches by 18 inches
- C 15 inches by 15 inches
- D 9 inches by 9 inches

**Q8: **

Sarahβs bedroom is shaped like a square. Determine the dimensions of her room if the area of its floor is 256 ft^{2}.

- A 18 ft by 18 ft
- B 32 ft by 32 ft
- C 23 ft by 23 ft
- D 16 ft by 16 ft
- E 22 ft by 22 ft

**Q9: **

Determine the square of the number whose cube is .

**Q10: **

What is the perimeter of the triangle ? Express your answer in its simplest form.

- A cm
- B cm
- C cm
- D cm