Question

The sides of a trangle are 56cm,60cm and 52cm .by using herons formula find the are of trangle .​

Answer 1

Answer:

Using the formulas

A=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

Solving forA

A=1

4﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=1

4·﹣564+2·(56·60)2+2·(56·52)2﹣604+2·(60·52)2﹣524=1344cm²