Question

find the area of the triangle formed by P(-1,5) Q(3, 1) and R
(5,7)​

Answer 1

Answer:

Hello dear My name is Ravi Gupta from Ayodhya Uttar Pradesh India

your Solution

you can put in formula of

1/2[ x1(y2-y3) + x2(y3-y1) + x3(y1-y2)]

you can get area

here

point P (x1,y1)=(-1,5),

Q (x2,y2)=(3,1)

and R (x3,y3)=(5,7)

Thank you