Heron's Formula · Class 9 · CBSE Mathematics
Heron's formula for the area of a triangle with sides a, b, c and semi-perimeter s is given by:
Practice question from Heron's Formula (Class 9 · CBSE Mathematics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-82F71A
Heron's formula for the area of a triangle with sides , , and semi-perimeter is given by:
- A.\sqrt{s(s-a)(s-b)(s-c)}Correct answer
- B.\sqrt{s(s+a)(s+b)(s+c)}
- C.s(s-a)(s-b)(s-c)
- D.\frac{1}{2} \sqrt{s(s-a)(s-b)(s-c)}
Solution
Heron's formula states that the area of a triangle is , where is the semi-perimeter.
More from Heron's Formula
- What is the semi-perimeter s of a triangle with side lengths a, b, and c?
- What is the area of an equilateral triangle whose side length is 4text{ cm}?
- The sides of a triangular plot are in the ratio 3:5:7 and its perimeter is 300text{ m}. What is its largest side?
- Find the area of a triangle with side lengths 13text{ cm}, 14text{ cm}, and 15text{ cm}.
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