Given the coordinates of a rectangle A(2,5) B(6,5) C(6,-5) and D(2,-5), write the equations of the lines of reflection

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

How are algebraic expressions evaluated using substitution?