Unit Test 04
1
1. Find the area.
12 cm
[2]
2. Find the area.
[2]
9 cm
18 cm
22 cm
3. Find the area of the shaded part.
12 cm
9 cm
Fin44d the
area of the
9cm
shaded part.
12 cm
4. Write as a single expression in index form.
[2]
a) q⁹ ÷ q⁴
= ……………
b) a² x a5
a³
= ……………
[3]
5. Find the angles s and t. (Give the reasons) [4]
t
s
85ᵒ
45ᵒ
Unit Test 04
2
7. Find.
a) 2 + 1
6. Round 7657 correct to two significant
figures.
[2]
5
8. Write 2.70486 correct to 3 decimal places.[2]
10.
3
[4]
b) 5 - 1
8
7
9. Write 0.25 as a fraction in its simplest form.
a) Find the perimeter. [2]
b) Find the area.
[2]
[3]
7 cm
2 cm
4 cm
5cm
11. Find the area of the shaded part.
[3]
12 cm
7 cm
4cm
4cm
12. Find the square root.
a) √64
b) √144
[4]
13. Find.
a) 1.12
b) 152
c) 202
[3]
Unit Test 04
3
14. Find the size of the angle a.
[2]
15. Find the size of the angle b.
[2]
b
a
35 ̊
130 ̊
45 ̊
16. Find the diameter. [2]
4.5 m
17. The radius of a circle is 2.2 cm. Use π ≈ 3.14 to estimate the circumference of the circle. [2]
2.2cm
18. Find the area.
6 cm
6.2cm
[2]
7 cm
[2]
25 cm
21 cm
38 cm