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.
Discussion:
13 comments Page 2 of 2.
Pradeep. said:
1 decade ago
sin30 = ab/ac.
0.5 = ab/10.
So ab = 5.
0.5 = ab/10.
So ab = 5.
Vinod Choudhary said:
10 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.
Sin 30 = AB/10 (Because, AC = 10),
1/2 = AB/10 (Because sin 30 = 1/2),
10/2 = AB,
AB = 5 = h.
Jayadev said:
1 month ago
AC is 10 units, and If the 3 sides are the same, the angle should be 60 degrees each. AB is 5 units, which means the angle will be half of the equilateral triangle's angle. That's why Option C is correct.
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