is a quadrilateral. What is the value of ABCD a? 13. Open-Response Often lines that luuk parallel are not parallel. Which 1. Parallel Illusions two lines in the diagram below are parallel? Justify your answer. Sonya is building a rectangular deck in her backyard. 2. Deck Boards The deck will have support beans running through the center, making 4 isosceles triangles, as shown below. Determine the values of and x y. Justify your answers. Consider the following diagram and complete the 3. What’s Missing? table below. Justify your answers.
13. ABCD is a quadrilateral. What is the value of a? Open-Response 1. Parallel Illusions Often lines that luuk parallel are not parallel. Which two lines in the diagram below are parallel? Justify your answer. 2. Deck Boards Sonya is building a rectangular deck in her backyard. The deck will have support beans running through the center, making 4 isosceles triangles, as shown below. Determine the values of x and y. Justify your answers. 3. What’s Missing? Consider the following diagram and complete the table below. Justify your answers.
Geometry-EQAO-Practice.docx