the perimeter of a tringal Field is 144m and it's side are in ratio 3:4:5. Find the length of the peripendicular from the opposite vertex to the side whole length is 60m .
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Let side a be = 3x
Let side b be = 4x
Let side c be = 5x
5x + 4x + 3x = 144
12x = 144
x = 144 / 12
x = 12
12 × 3 = 36
12 × 4 = 48
12 × 5 = 60
so, h² = p² + b²
60² = 36² + x²
3600 = 1296 + x²
x² = 3600 - 1296
x² = 2304
x = 48 cm
Perpendicular = 48 cm
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