গাণিতিক যুক্তি MCQ
A right-angled triangle, whose perpendicular sides measure 2.4 cm and 1.8 cm, is inscribed in a circle. What is the diameter of the circle (in cm)?
সঠিক উত্তর
3 cm
Let,ABC is a right triangle with perpendicular AB = 2.4 cm and base BC = 1.8 cmWe know,AC2 = AB2 + BC2⇒ AC = √(2.42 + 1.82)⇒ AC = √(5.76 + 3.24)⇒ AC = √9 ∴ AC = 3 ∴ The diameter of the circle, 2r = 3 cm