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In a triangle, the sum of lengths of two sides is x and the product of the lengths of the same two sides is y, If x2−c2=y, where c is the length of the third side of the triangle, then the circumradius of the triangle is 

(a)

(b)

  

(c)

(d)


Question ID - 56980 | Toppr Answer

In a triangle, the sum of lengths of two sides is x and the product of the lengths of the same two sides is y, If x2−c2=y, where c is the length of the third side of the triangle, then the circumradius of the triangle is 

(a)

(b)

  

(c)

(d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

Given a+b=x and ab=y

If x2−c2=y⇒(a+b)2−c2=ab

⇒cosC=

c=

R=



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