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.

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Trigonometry - Area from Sine - Full Calculation Worksheet

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Trigonometry - Area from Sine - Full Calculation
1
Solve for the area of the triangle
An svg image showing a math problem
a
15.4
b
16.2
c
13.1
d
18.5
e
11.6
f
13.9
2
Solve for the area of the triangle
An svg image showing a math problem
a
14.4
b
13.1
c
12.5
d
15.1
e
10.5
f
11.8
3
Solve for the area of the triangle
An svg image showing a math problem
a
32.5
b
25.1
c
26.6
d
22.2
e
23.6
f
29.5
4
Solve for the area of the triangle
An svg image showing a math problem
a
10.1
b
8
c
11.1
d
9.5
e
10.6
f
8.5
5
Solve for the area of the triangle
An svg image showing a math problem
a
20.6
b
24.8
c
28.9
d
22
e
33
f
27.5
6
Solve for the area of the triangle
An svg image showing a math problem
a
11.6
b
14.5
c
12.3
d
15.2
e
13.8
f
15.9
7
Solve for the area of the triangle
An svg image showing a math problem
a
6.6
b
6.3
c
7.2
d
5
e
6.9
f
7.5
8
Solve for the area of the triangle
An svg image showing a math problem
a
23.7
b
15.8
c
21.7
d
19.7
e
17.8
f
20.7