The perimeter of a triangular field is 300 cm and its sides are in the ratio 5:12:13. Find the length of the perpendicular from the opposite vertex to the side whose length is 130 cm.
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Step-by-step explanation:
the lengths of the sides are 50,120,130
s=150
by using herons formula
√s(s-a)(s-b)(s-c)
√150(150-50)(150-130)(150-120)
√150*100*20*30
√30*5*20*5*20*30
30*5*20
area=3000cm^2
1/2*130*h=3000
65h=3000
h=3000/65
h=46.15
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