Question

For a triangle ABC, a, b and c are the sides. If a
+ b + c = 18 cm and a, b, c are positive
integers, then what is the minimum area
of the triangle in sq.cm?

Answer 1

Answer:

first of all we find out than what is the length breath and height of the triangle

a+b+c=18

so,18 is also a positive integer

then we find the value of a,b,and c

the maximum value that are 1

so, the value of a and b

and c=6

we will find the area of triangle

first of all we will find the perimeter of triangle=a+b+c/2

we will solve 6+6+6/2=9

then the perimeter of triangle is 9

we will find the area of triangle=under root p(p-a)(p-b)(p-c)

under root 9(9-6)(9-6)(9-6)

under root 9(3)(3)(3)

under root 243

=15.58

so the area of triangle is 15.58