Question

ASAP HELP PLEASE ITS HOMEWORK

Answer 1

`=132`

Explanation:

`A=2AB+(a+b+c)h`

`AB=√(s(s-1)(s-b)(s-c))`

`s=(a+b+c)/(s)`

Now we have to solve for A:

`A=ah+bh+ch+(1)/(2)\sqrt{-a^(4)+2(ab)^2+2(ac)-B^4(bc)^2-c^4`

`4*10+3*10+5*10+(1)/(2)*√(-4^4+2*(4*3)^2*(4*5)^2-3^4+2*(3*5)^2-5^4)`
`=132`