The sides of a triangular plot are in the ratio 3 : 4 : 5 and its perimeter is 96 m. What is its area?
Correct answer C. 384 sq m
Explanation
Sides = 24 m, 32 m and 40 m. Since 24² + 32² = 40², it is right-angled. Area = 1/2 x 24 x 32 = 384 sq m (Heron's formula gives the same).
Answer checked How we write and check questions
Discussion