Question

find the area of triangle formed by the points (8,-5),(-2,-7) and (5,1) by using Heron's formula

Answer 1

first find the distance between all the points i.e (8,-5),(-2,-7) and(-2 ,-7)(,(5,1) and so on . when we get the distance then we take them as a,b,c.now substitute them in s=a+b+c÷2 when you get it now you can substitute it her
ons formula.hope so you got it and the answer you will get is 32.94sqm