issb mathematics MCQ #655

Sum of interior angles of pentagon?

issb mathematics MCQ #655

  1. Question 1

    Q1. Sum of interior angles of pentagon?

    • A) 360°
    • B) 450°
    • C) 540°
    • D) 720°

    Answer: 540°

    Explanation: Interior angles of a pentagon sum to 540 degrees. Work each step carefully; ISSB math rewards accuracy under time pressure.