If ABC is reflecting across the y-axis ,what are the coordinates of c’?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle