Question

Find the area using heron's formula: 20,15,5

Answer 1

Answer:

area of that figure= 0 units

Step-by-step explanation:

here, heron's formula= $\sqrt{s*(s-a)(s-b)(s-c)}$      where, s= a+b+c/2

 let, a= 20 units , b= 15 units  and c= 5 units

now, s= a+b+c/2 = 20+15+5/2 = 40/2 = 20

 so, $\sqrt{s*(s-a)(s-b)(s-c)}$ = $\sqrt{20*(20-20)(20-15)(20-5)}$

      = $\sqrt{20*0*5*15}$ = $\sqrt{0}$ = 0 units

∴ the area = 0 units

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Answer 2

And root zero is equal to zero