Font size
WorksheetsGrade 9A End of week 10 Test.
Total questions: 20
Worksheet time: 20mins
Find the area of the triangle. Round your answer to 1 decimal place..
12 cm2
10.1 cm2
11.5 cm2
10.2 cm2
Find the area of the triangle. Round your answer to 1 decimal place..
16.8 cm2
15.7 cm2
11.5 cm2
11.4 cm2
Which of the following is a formula that can be used to find the area of a triangle?
21absinC
21abcosC
41absinC
31absinC
𝐴𝐵𝐶 is a triangle, where 𝐵𝐶 = 15 cm, 𝐴𝐶 = 25 cm, and ∠𝐶 = 410. Find the area of 𝐴𝐵𝐶, giving your answer to three decimal places.
123.011 cm2
123 cm2
246.022 cm2
246 cm2
Find the area of the figure below giving the answer to three significant figures.
751 cm2
420 cm2
680 cm2
220 cm2
Work out the value of x.
Give your answer to 3 significant figures.
53.4 cm
20.4 cm
53.37 cm
20.42 cm
Work out the value of x.
Give your answer to 1 decimal place.
18.0 cm
18.1 cm
16.5 cm
12.2 cm
Find the size of the missing acute angle below.
Give your answer to one decimal place.
78.90
75.20
29.40
78.860
Find the size of the missing acute angle below.
Give your answer to one decimal place.
31.60
37.50
29.40
78.20
Find the size of the missing acute angle below.
Give your answer to one decimal place.
30.60
37.50
30.00
58.20
57.3 cm2
57.34 cm2
5.73 cm2
28.7 cm2
22.6 cm2
11.3 cm2
22.56 cm2
25.6 cm2
sin 0 =
0
1/2
√2/2
√3/2
1
sin 30 =
0
1/2
√2/2
√3/2
1
sin 45 =
0
1/2
√2/2
√3/2
1
sin 60 =
0
1/2
√2/2
√3/2
1
sin 90 =
0
1/2
√2/2
√3/2
1
cos 0 =
0
1/2
√2/2
√3/2
1
cos 30 =
0
1/2
√2/2
√3/2
1
