design the plan of​ a town. includes different kinds of lines,angles,triangles and quadrilaterals.
 

1. two sets of streets that are perpendicular
2. one street that intersects another street to form an obtuse angle
3. an ice cream parlor in the shape of an isosceles triangle
4. a pool that is in the shape of an isosceles triangle
5. a post  office in the shape of a trapezoid on a set of parallel streets
6. a library in the shape of a quadrilateral at a perpendicular intersection