Trigonometric Equations Question 302
In a triangle $ ABC $ , sin $ A:\sin B:\sin C=1:2:3 $ . If $ b=4 $ cm, the perimeter of the triangle is
[MP PET 1986]
Options:
A) $ 6cm $
B) $ 24cm $
C) $ 12cm $
D) $ 8cm $
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Answer:
Correct Answer: C
Solution:
- $ b=4cm\Rightarrow a=1\times 2,c=3\times 2 $ Hence perimeter $ =1\times 2+4+3\times 2=12 $ cm.
BETA
