Question

If the perimeter of an equal triangle is 60cmfind area by herons

Answer 1

p = 60 cm

a = b = c = 60/3

a = b = c = 20

p = a+b+c

semi p = 60/2 = 30 cm        

area = √p(p-a)(p-b)(p-c)

area = √3* 10 * 10 * 10 * 10

area = 100√3

OR

area = √30000

OR

area = 173.2 cm^2