Research and write three examples of real-world situations that use or include isosceles triangles.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.