New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    A triangle has all three sides of length 18 cm. Determine

    the circumradius of this triangle.
    A 5√2 Correct Answer Incorrect Answer
    B 6√3 Correct Answer Incorrect Answer
    C 12√3 Correct Answer Incorrect Answer
    D 18√3 Correct Answer Incorrect Answer

    Solution

    ATQ;
    Since all three sides are equal, the given triangle is an equilateral triangle.

    For an equilateral triangle, the circumradius is calculated as:
    Image
    Where a = 18 cm
    Image

    Practice Next