Supply the missing reasons to complete the proof

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement