Trigonometry - Area from Sine - Full Calculation (Level 1)

This math topic focuses on calculating the area of triangles using trigonometric principles, specifically through the sine function. It is a beginner-level part of a broader set on solving triangles in trigonometry. Each question provides a different triangle scenario accompanied by multiple-choice answers for the area calculations. Learners are expected to apply the formula for the area of a triangle using side lengths and angle measures, showcasing an understanding of how trigonometry can be used for practical problem-solving in geometry.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Trigonometry - Area from Sine - Full Calculation Worksheet

Math worksheet on 'Trigonometry - Area from Sine - Full Calculation (Level 1)'. Part of a broader unit on 'Trigonometry - Solving Triangles' Learn online: app.mobius.academy/math/units/trigonometry_solving_triangles/

1

Solve for the area of the triangle

a

7.4

b

9.4

c

10.8

d

9.8

e

11.3

f

7.9

2

Solve for the area of the triangle

a

23.7

b

21.7

c

15.8

d

19.7

e

20.7

f

17.8

3

Solve for the area of the triangle

a

43.6

b

31.2

c

45.7

d

33.3

e

47.8

f

41.6

4

Solve for the area of the triangle

a

45.3

b

31.5

c

41.4

d

37.4

e

47.3

f

39.4

5

Solve for the area of the triangle

a

20.4

b

22.5

c

21.4

d

23.6

e

19.3

f

17.2

6

Solve for the area of the triangle

a

37.9

b

26.8

c

33.1

d

30

e

31.5

f

28.4

7

Solve for the area of the triangle

a

18

b

20.3

c

25.9

d

19.2

e

21.4

f

22.6