A triangular park has sides

MATHEMATICS · Single correct · CBSE · Mathematics · Heron's Formula · Heron's Formula

Problem

50\,\text{m}

60\,\text{m}

and

70\,\text{m}

. It is to be re-sodded at a cost of Rs.

45

per square metre. What will be the total cost? (a) Rs.

67\,500

(b) Rs.

58\,800

66\,150

(d) Rs.

64\,800