Find the length of the longest altitude of a triangle
whose two sides are 12 cm and 8 cm and the
perimeter is 30 cm.
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Answer:
One root =4+
5
One root =4−
5
Quadratic equation is
x
2
−(sum)x+(product)=0
x
2
−[4+
5
+4−
5
]+[(4+
5
)(4−
5
)]=0
x
2
−8x+11=0
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