Question

half of perimeter of a triangle is 20cm . the product of (s-a) (s-b) and (s-c) is 30 cm , where s = a+b+c , the are of triangle is equal to ?
a) 20root 6cm
b)10root 6
c)30root 6
d)15root 6
give answer fast please , I will make him briliianest !!!!

Answer 1

Answer:

a)20√6

Step-by-step explanation:

area of triangle =$\frac{hightXbase}{2}$

$40=\frac{hb}{2}$

$80=hb$