general math MCQ #142

The perimeter of a semi circle is 144 cm then the radius is_________?

general math MCQ #142

  1. Question 1

    Q1. The perimeter of a semi circle is 144 cm then the radius is_________?

    • A) 25 cm
    • B) 28 cm
    • C) 30 cm
    • D) 35 cm

    Answer: 28 cm

    Explanation: Perimeter = πr + 2r = r(π + 2) = 144 → r = 144/5.1416 ≈ 28 cm.