In triangle ABC, let `angle C = pi//2`. If r is the inradius and R is circumradius of the triangle, then `2(r + R)` is equal to

In triangle A B C , let /_c=pi/2dot If r is the inradius and R is circumradius of the triangle, then 2(r+R) is equal to (a) a+b (b) b+c (c) c+a (d) a+b+c

In triangle A B C , let /_c=pi/2dot If r is the inradius and R is circumradius of the triangle, then 2(r+R) is equal to a+b (b) b+c c+a (d) a+b+c

In a triangle ABC,r=

In triangle ABC, R (b + c) = a sqrt(bc) , where R is the circumradius of the triangle. Then the triangle is

If R be the circum radius and r the in radius of a triangle ABC, show that Rge2r

In a right-angled isosceles triangle, the ratio of the circumradius and inradius is

In triangle ABC,angleA=pi/2b=4,c=3 ,then the value of R/r is equal to

In a right - angled isosceles triangle , the ratio of the circumradius and inradius is

In a right angled triangle ABC, if r(in radius)=7 cm and R(Circumradius) = 32.5 cm, then the area of the triangle (in square cm ) is………………..

AL, BM and CN are perpendicular from angular points of a triangle ABC on the opposite sides BC, CA and AB respectively. Delta is the area of triangle ABC, (r ) and R are the inradius and circumradius. If area of Delta LMN is Delta ', then the value of (Delta')/(Delta) is