Question

Sides of a triangle are in the ratio 12:17:25 and its perimeter is 540 cm find its area.




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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

A= 9000 cm²

Step-by-step explanation:

⇒Let x be common ratio

∴ Sides of triangle will be: 12x,17x and 25x

⇒Perimeter =540 cm(given)

⇒12x+17x+25x=540 cm,

⇒54x=540 cm

⇒x=10 cm

∴ Sides of triangle: a=120,b=170,c=250 cms

⇒2S=540

⇒S=270 cm

A= √(s(s−a)(s−b)(s−c))

A= √(270(270−120)(270−170)(270−250)) cm²

A= √(270×150×100×20)cm²

A=9000 cm²