Question

find the area of triangle ABD sides 6,5,5​

Answer 1

use herons formula

root[ (s)(s-a)(s-b)(s-c)]

s= a+b+c/2

s= 8

root [(8)(8-6)(8-5)(8-5)]

root[(8)(2)(3)(3)]

root(144)

root144=12

area is 12 unit cube