MATH 213 Midterm: MATH213_ALL-SECTIONS_FALL2012_0000_MID_EXAM
10 Jan 2019
School
Department
Course
Professor
Document Summary
Consider the arrangement of sun, earth, and moon shown below. Assume we are looking down on the north. Indicate clearly which portion is lit up and which is dark. A regular polygon has exterior angles of 20 . Consider the diagram below showing a reflected light ray from point r on the mirror shown: show the incoming light ray. Draw the normal to the mirror at r. label it clearly. Consider the three options of two-set venn diagrams shown at right. Indicate which one shows the relationship between each pair of sets below. If you choose a indicate which set is in the inside. Parallelograms and trapezoids (use the definition in our text: rhombuses and rectangles, squares and rectangles. In a certain tiling, each corner point is surrounded by an equilateral triangle, two squares, and one additional regular polygon. Show work: for the following three problems, #6, 7, 8, identify when you use one of the following facts:
