in triangle ABC a=12cm b=13cm c=60degree find c
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Yes is it mentioned whether is it a right angled triangle?If yes then here's the answer
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In right triangle ABC right angled at B
AB=a=12 cm
BC=c=?
AC=b=13 cm
Now by pythagoras theorm
We have AB²+BC²=AC²
Bc=√(AC²-Ab²)
BC=√(13²-12²)
Bc=√(169-144)
BC=√25
BC=5 cm
AB=a=12 cm
BC=c=?
AC=b=13 cm
Now by pythagoras theorm
We have AB²+BC²=AC²
Bc=√(AC²-Ab²)
BC=√(13²-12²)
Bc=√(169-144)
BC=√25
BC=5 cm
yeah,that's right
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