Question

find area of triangle having side 40cm, 50cm and 30cm​

Answer 1

Answer:

Using the formulas

A=s(s﹣a) (s﹣b) (s﹣c)

s=a + b + c

      2

Solving for A

A=  1/4﹣$\sqrt{x} a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=1$

1/4﹣$\sqrt{x} 404+2·(40·50)2+2·(40·30)2﹣504+2·(50·30)2﹣304$

= 600cm²

Step-by-step explanation: