Question

Find the area of triangle whose side a is 11 m and b is 4 m and c is 13 m using Herons formula

Answer 1

area of triangle
S=a+b+c/2
28/2=14 put in heron's formula
{14×(14-11) ×(14-13) ×(14-4) }½
14×3×1×10
√210