9th Class
Mathematics
Heron's Formula
Question Bank
Heron's Formula
question_answer
A triangular park in a city has dimensions \[10\,m\times 90\,m\times 110m.\]A contract is given to a company for planting grass in the park at the rate of Rs. 4000 per hectare. What is the amount to be paid to the company? (Take \[\sqrt{2}=1.414\]and One hectare\[=\text{ }10000\,{{m}^{2}}.\])