MATHEMATICS · Single correct · CBSE · Mathematics · Heron's Formula · Heron's Formula
Problem
A triangular plot of land has sides 13m,14m and 15m. If grass is to be planted on the entire plot at the rate of Rs. 30 per square metre, what will be the total cost?
(a) Rs. 2460
(b) Rs. 2520
(c) Rs. 2730
(d) Rs. 2380