# Isosceles triangle

ABC is an isosceles triangle such that
AB=AC
A has coordinates (4,37)
B and C lie on the line with equation 3y=2x+12

Find an equation of the line of symmetry of triangle ABC Give your answer in the form px + qy = r where p,q and r

## Answers and Replies

PeroK
Science Advisor
Homework Helper
Gold Member
2020 Award I've requested that this be moved to homework. In any case, before we can help you need to show how much of the problem you can do yourself.

• berkeman
berkeman
Mentor
ABC is an isosceles triangle such that
AB=AC
A has coordinates (4,37)
B and C lie on the line with equation 3y=2x+12

Find an equation of the line of symmetry of triangle ABC Give your answer in the form px + qy = r where p,q and r
Thread moved to the Homework Help forums.

@mark123 -- please show your work on this problem so that we can then provide tutorial help. We are not allowed to help you until you show your work. Thank you.

HallsofIvy
Science Advisor
Homework Helper
The line of symmetry of an isosceles triangle is always perpendicular to the base. Find the line through (4, 37) and perpendicular to 3y= 2x+ 12.