Question

if ab=12cm , bc=16cm and ac=20cm. find the area of triangle abc
please solve it​

Answer 1

a Side

12

b Base

16

c Side

20

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·﹣124+2·(12·16)2+2·(12·20)2﹣164+2·(16·20)2﹣204=96cm square