Geometry All Around Us By: Murfee Flickinger What kind of angles are A and B? -Alternate Interior What kind of angles are 1,2 and 3,4? -Vertical Angles What type of line is made by the signs? Skew What kind of triangle is shown? -Obtuse Isoscele What is the measure of the third angle? 80 degrees What postulate was used to figure out that these triangles were congruent? SAS What are the measures of angles a and b? They are both 45 degrees What are the measures of angles x and y? They are both 70 degrees Which angles are vertical angles? Angles A and C and angles B and D What does line A create with line B? A perpendicular bisector