Engineering Mechanics - General Principles - Discussion

Discussion Forum : General Principles - General Questions (Q.No. 5)
5.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.
h = 5.77
h = 11.55
h = 5
h = 8.66
Answer: Option
Explanation:
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Discussion:
12 comments Page 2 of 2.

Pradeep. said:   1 decade ago
sin30 = ab/ac.
0.5 = ab/10.
So ab = 5.

Vinod Choudhary said:   9 years ago
Sin 30 = AB/AC,

Sin 30 = AB/10 (Because, AC = 10),

1/2 = AB/10 (Because sin 30 = 1/2),

10/2 = AB,

AB = 5 = h.


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