Question

area of triangle is 180cm² and the side is in ratio 3:4:5 what is perimeter ?​

Answer 1

45 , 60 and 75 cm's

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Answer 2

Step-by-step explanation:

suppose, the angels are 3x, 4x, 5x.

now,

according to the condition,

3x+4x+5x = 180

ie, 12x = 180

ie, x = 180/12 [ / mean by ]

:• x = 15

:• Tne angles are ( 3*15 )° = 40°, ( 4*15 )° = 60° and ( 5*15 )° = 75°. [ * mean into ]

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