The correct option is A). 14.2
The correct option is B). (-7,-3)
Step-by-step explanation:
QA). The perimeter of triangle ABC with vertices A(3, 2), B(-2, 3), and C(2, 6)
Ans.
The distance between two points A(X1,Y1) and B(Y1,Y2) is
=
Now,
The distance between two points A(3, 2) and B(-2, 3) is
=
=
=
=
The distance between two points B(-2, 3) and C(2, 6) is
=
=
=
=
=5
The distance between two points A(3, 2) and C(2, 6) is
=
=
=
=
.
The perimeter of Triangle ABC is AB+BC+AC
=+5+
=5.099+5+4.1231
=14.2221
The correct option is A). 14.2
QB). Find the midpoint between (-4, -2) and (-10, -4)
Ans.
The midpoint of two points A(X1,Y1) and B(Y1,Y2) is
=
The midpoint of two points (-4, -2) and (-10, -4) IS
=
=
=
=(-7,-3)
The correct option is B). (-7,-3)