Math, asked by kvrajkumar76gmailcom, 4 months ago

ii) The perimeter of a ∆ABC is 12 cm and its
inradius is 1 cm. Then find its area.

Answers

Answered by shahinakhatun83

0

It is given that the inradius is 1 cm and the perimeter is 12 cm.

Let the lengths of the sides be a,b and c cm.

⇒a+b+c=16.

⇒ The area of the triangle =1a/2+1b/2+1c/2=1(a+b+c)/2=1×16=16 cm sq.

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