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    Question

    In Δ ABC, AB = 12 cm, BC = 16 cm and AC = 20 cm. A

    circle is inscribed inside the triangle. What is the radius (in cm) of the circle?
    A 3 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 6 Correct Answer Incorrect Answer

    Solution

    Triangle ABC with sides AB = 12 cm, BC = 16 cm, AC = 20 cm (right-angled triangle). Find Semi-Perimeter

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