1.

In a Δ ABC, let ∠ C = π/2 .If r is the inradius and R is the circumradius of the triangle, then 2 (r +R) is equal to

Answer»

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




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