WorksheetsTrigonometry Review
Total questions: 15
Worksheet time: 17mins
A surveyor is measuring the height of a building. She stands 50 metres away from the base of the building and measures the angle of elevation to the top of the building to be 30∘ . What is the height of the building?
25 metres
28.87 metres
43.30 metres
50 metres
In a triangle, the sides are given as a=7 cm, b=9 cm, and the angle opposite to side a is 45∘ . Which law would be appropriate to find the angle opposite to side b ?
Sine Law
Cosine Law
Pythagorean Theorem
None of the above
A triangle has sides a=8 cm, b=15 cm, and c=17 cm. Which law should be used to find the angle opposite to side c ?
Sine Law
Cosine Law
Pythagorean Theorem
None of the above
A ladder is leaning against a wall, making an angle of 60∘ with the ground. If the foot of the ladder is 3 metres away from the wall, how long is the ladder?
3 metres
5 metres
6 metres
9 metres
A triangle has sides a=10 cm, b=12 cm, and angle C=30∘ . What is the length of side c ?
5.14 cm
6.01 cm
10.39 cm
11.54 cm
A pilot is flying from point A to point B, which is 200 km away. The angle of elevation from point A to point B is 20∘ . What is the altitude of point B from point A?
68.40 km
70.71 km
73.20 km
76.60 km
In a triangle, the sides are a=5 cm, b=7 cm, and c=10 cm. Which law should be used to find the angle opposite to side a ?
Sine Law
Cosine Law
Pythagorean Theorem
None of the above
A triangle has sides a=9 cm, b=12 cm, and angle C=45∘ . What is the length of side c ?
8.50 cm
10.61 cm
11.31 cm
13.42 cm
A ship sails 100 km east and then 150 km north. What is the straight-line distance from the starting point to the final position of the ship?
150 km
180 km
200 km
250 km
A triangle has sides a=6 cm, b=8 cm, and angle C=60∘ . What is the length of side c ?
7.21 cm
8.66 cm
9.54 cm
10.39 cm
A kite is flying at a height of 60 metres. If the string attached to the kite makes an angle of 45∘ with the ground, what is the length of the string?
84.85 metres
120 metres
60 metres
100 metres
A triangle has sides a=4 cm, b=6 cm, and angle C=90∘ . What is the length of side c ?
5 cm
7.21 cm
8 cm
10 cm
A triangle has sides a=5 cm, b=12 cm, and angle C=75∘ . What is the length of side c ?
11.59 cm
11.75 cm
13 cm
18.66 cm
A ladder is leaning against a wall, making an angle of 45∘ with the ground. If the foot of the ladder is 4 metres away from the wall, how long is the ladder?
7.01 metres
6.13 metres
5.66 metres
4.32 metres
A triangle has sides a=3 cm, b=4 cm, and angle C=60∘ . What is the length of side c ?
4.5 cm
3.5 cm
5.5 cm
3.6 cm
