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Trigonometry Non-Right-Triangles

Authored by Glenn Currie

Mathematics

11th Grade

CCSS covered

Used 15+ times

Trigonometry Non-Right-Triangles
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

In the triangle ABC below, C = 92°, A = 50° and AB = 17 cm.

Find the size of AC.

Round your answer to the nearest whole centimetre.

9cm

10cm

11cm

14cm

16cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Find the size of angle A below, to the nearest degree.

26°

29°

30°

37°

64°

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

In the triangle ABC below, AB = 22 cm, AC = 18 cm and BC = 19 cm.

Find the size of angle C

51°

56°

68°

73°

77°

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

In the triangle ABC below, angle A = 59, AB = 27 cm and AC = 19 cm.

Find the length of BC

21cm

23cm

24cm

25cm

26cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

John and Jo are running their own orienteering course.

Both start from the same point O.

John runs at 5 m/s at a true bearing of 35° from O.

Jo runs at 4 m/s at a true bearing of 325° from O.

How far apart will they be after two minutes, to the nearest metre?

510m

581m

613m

627m

768m

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 

In the triangle ABC , A = 54° and AB = 21 cm, AC = 13 cm and BC = 17 cm.

Find the area of the triangle to the nearest square centimetre.

89

110

144

172

176

Tags

CCSS.HSG.SRT.D.9

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A triangular area ABC has AB = 20 cm, AC = 13 cm and BC = 17 cm.

Find the area of ABC to the nearest square metre.

5

20

25

47

98

Tags

CCSS.HSG.SRT.D.9

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