**Q5: **

A triangle has an area of 45 square feet and its base is twice its height. Find the length of its base and its height, give exact answers.

- Abase , height
- Bbase , height
- Cbase , height
- Dbase , height
- Ebase , height

**Q6: **

All the triangles and squares in the quilt pattern shown are congruent. Find the area of one of the blue triangles and the area of all triangles.

- Aarea of blue triangle . area of all triangles
- Barea of blue triangle . area of all triangles
- Carea of blue triangle . area of all triangles
- Darea of blue triangle . area of all triangles
- Earea of blue triangle . area of all triangles

**Q7: **

Given that is a square of side length 100 cm, find the area of , and approximate the result to the nearest integer.

**Q8: **

is a parallelogram of area 560. Suppose that point is on . What is the area of ?

**Q9: **

Find the area of the and the length of .

- A
1 056 cm
^{2}, 16.25 cm - B
924 cm
^{2}, 28.43 cm - C
264 cm
^{2}, 8.12 cm - D
528 cm
^{2}, 16.25 cm

**Q10: **

Find the difference in area between a parallelogram whose height is 9 cm and base length is 6 cm and a triangle whose height is 1 cm and base length is 3 cm.

- A
cm
^{2} - B
51 cm
^{2} - C
102 cm
^{2} - D
cm
^{2} - E
11 cm
^{2}

**Q11: **

Find the difference in area between a parallelogram whose height is 9 cm and base length is 6 cm and a triangle whose height is 10 cm and base length is 2 cm.

- A
17 cm
^{2} - B
34 cm
^{2} - C
68 cm
^{2} - D
44 cm
^{2} - E
3 cm
^{2}

**Q12: **

Work out the area of the triangle.

- A20 square units
- B24 square units
- C10 square units
- D12 square units
- E30 square units

**Q13: **

The area of a triangle with base and height is . Find the area of a triangle with a height of 16 and a base of 11.

**Q14: **

Given that the base length of a triangle is 7.4 cm, and the corresponding height is 6.5 cm, find its area approximated to the nearest hundredth, if needed.

**Q15: **

The dimensions of a rectangular garden is 13 meters by 8 meters. Triangle represents the lawn where . Find the area of .

- A
39 m
^{2} - B
20.44 m
^{2} - C
33.21 m
^{2} - D
24 m
^{2}

**Q16: **

is a triangle where and the length of the perpendicular drawn from to is 16 cm. Find the area of .

**Q17: **

Calculate the area of the .

**Q18: **

Which of the following expressions can be used to determine the area of a triangle of height 43 and base ?

- A
- B
- C
- D

**Q19: **

The area of is 12.35. Find to the nearest hundredth.

**Q20: **

The area of is 15.52. Find to the nearest hundredth.

**Q21: **

Find the difference between the area of a triangle whose base is 5.5 dm and height is 4 dm and the area of a rectangle whose dimensions are 21 cm and 16 cm in square centimetres.

**Q22: **

Determine the height, , of the figure, given that is the area of its colored part.

**Q23: **

A triangle has area and base 9. What is its height?

**Q24: **

A triangle has area 24 and base 12. What is its height?

**Q25: **

The base of a triangle is 14.45, and its corresponding height is of that base. What is its area, to the nearest hundredth?