Maths-
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Easy

Question

In straight triangle A B C text , if  end text c squared equals a squared plus b squared comma 2 s equals a plus b plus c then 4 s left parenthesis s minus a right parenthesis left parenthesis s minus b right parenthesis left parenthesis s minus c right parenthesis equals

  1. s4
  2. b2c2
  3. c squared a squared
  4. a squared b squared

hintHint:

The angles of the triangle ABC are denoted by A, B, C and the corresponding opposite sides by a, b, c.

The correct answer is: a squared b squared


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    s denotes the semi-perimeter of the triangle ABC, ∆ its area and R the radius of the circle circumscribing the triangle ABC i.e., R is the circum-radius.

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