Jonathan likes to windsurf. He wants
a three-colour sail for his sailboard.
a) Complete the chart below by
• determining the measures of
_ADE and _BDE
giving reasons for your answers.
DER

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m