Q66. In a triangle with sides a, b, and c, semi-perimeter s, and area Δ, what is the formula for the exradius r3 corresponding to side c?Mathematics — NUST Mock By IBAGRADS 1 — Question 66 of 200A. Δ / (s − b)B. Δ / (s − a)C. Δ / (s − c)D. Δ / sPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →