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Side of triangle 3:5:7,perimeter=300,find it's area

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Side of triangle 3:5:7,perimeter=300,find it's area

Posted by Pratap Singh 6 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Akshita ???? 6 years, 2 months ago

Ans,x =20 and area =1500√3m square

1Thank You

Gaurav Seth 6 years, 2 months ago

Let the sides of a triangular plot is 3x , 5x and 7x
3x + 5x + 7x = 300 m
15x = 300
x = 300/15
x = 20
then the sides of triangular plot is
3x = (3 × 20) = 60
5x = (5 × 20) = 100
7x = (7 × 20) =140
now the area of triangular plot is

area =

0Thank You

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