The inradius of an equilateral triangle is 13 cm. What will be the radius of the circumcircle of this triangle?A15 cmB26 cmC30 cmDNone of theseAnswer: B. 26 cm Read Explanation: In an equilateral Triangle: Circumradius = 2 × Inradius ⇒ R = 2 × r R = 2 × 13 = 26 cmRead more in App