Home
Class 12
MATHS
In a Delta ABC if (R )/(r ) le 2, then s...

In a `Delta ABC` if `(R )/(r ) le 2`, then show that the triangle is equilateral.

Promotional Banner

Similar Questions

Explore conceptually related problems

If in triangle ABC, cot A + cot B + cot C = sqrt3 , prove that the triangle is equilateral.

an equilateral triangle?

If r_(2) +r_(3)+ r = r_(1), then show that Delta is right angled.

Angles A, B and C of a triangle ABC are equal to each other. Prove that DeltaABC is equilateral.

If in a triangle r_(1) = r_(2) + r_(3) + r , prove that the triangle is right angled

Prove that the triangle ABC is equilateral if cotA+cotB+cotC=sqrt3

In a triangle, if r_(1) gt r_(2) gt r_(3), then show a gtb gt c.

Show that the angles of an equilateral triangle are 60^@ each.

Show that the angles of an equilateral triangle are 60^@ each.

Show that the angles of an equilateral triangle are 60^@ each.