MATH 213 Midterm: MATH213 ALL-SECTIONS FALL2006 0000 MID EXAM 2
15 Feb 2019
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On the grid below, plot the triangle with vertices a=(-5, 3), b=(-3, 12), and c=(5, 10). b. rotate the triangle 90 degrees clockwise using point a as the center. Label the vertices of the image a"b"c". c. apply the transformation f(x,y) = (10 x, y) to a"b"c". Be specific (identify vector, center, line of reflection, etc. , as appropriate). For each design below, draw in all lines of reflection (if any). If the design has rotation symmetry, also indicate both the # of folds and the # of degrees. c. For each frieze pattern below, identify all types of symmetry that are present (translation, rotation, reflection, and/or glide reflection). Identify translation vectors, centers of rotation, lines of reflection, as appropriate. Explain: all rhombuses are similar, all equilateral triangles are similar, a 4" by 6" rectangle is mathematically similar to a 6" by 8" rectangle. A boy and his friend wish to calculate the height of a flagpole.
