Heron's Formula · Class 9 · CBSE Mathematics
The sides of a triangular plot are in the ratio 3:5:7 and its perimeter is 300text{ m}. What is its largest side?
Practice question from Heron's Formula (Class 9 · CBSE Mathematics), with the correct answer and a step-by-step solution.
medium · MCQ · Q-EEB208
The sides of a triangular plot are in the ratio and its perimeter is . What is its largest side?
- A.50 m
- B.100 m
- C.140 mCorrect answer
- D.150 m
Solution
Let the sides be , , and . The perimeter is , which gives . The largest side is .
More from Heron's Formula
- What is the semi-perimeter s of a triangle with side lengths a, b, and c?
- Heron's formula for the area of a triangle with sides a, b, c and semi-perimeter s is given by:
- What is the area of an equilateral triangle whose side length is 4text{ cm}?
- Find the area of a triangle with side lengths 13text{ cm}, 14text{ cm}, and 15text{ cm}.
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