Question

A triangle has a perimeter of 54 cm. The length of its three sides is in the ratio 3:5:1. What is the length of the longest side of the triangle?
whats the ans
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Answer 1

LET THE COMMON RATIO BE 'X'

AS PER THE QUESTION,

PERIMETER OF TRIANGLE IS 54 CM

SO, 3X+5X+X=54

9X=54

X=54/9=6

THEREFORE, 3X=18

5X=30

X=6

THE LOGEST SIDE OF TRIANGLE IS 5X