In a triangle the length of the side ab is 3 cm and bc is 5 cm.What is the length of ac, if the angle formed at b is 60 degree
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Answered by
1
Answer:
4.35
Step-by-step explanation:
according to cosine rule,
a2=b2+c2-2bc cos A
therefore,
a2=9+25-30xcos 60
=4.35
Answered by
0
Answer:
so u can find the value like above also ....hope this helps
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