Question
Find area of triangle. Sides=12cm,9.2cm and 7.2cm
Answers
collins
use hero's formula
sum all the side
a+b+c/2=s
now evaluate
area=√[s(s-a)(s-b)(s-c)]
good luck
sum all the side
a+b+c/2=s
now evaluate
area=√[s(s-a)(s-b)(s-c)]
good luck
Reiny
collins meant:
(a+b+c)/2 = s
(a+b+c)/2 = s