73. The boards securing this gate are parallel with a cross member (transversal). Give the name of the pair of angles shown. aninoonoo owl or dont sidi extent of boat nou 2 74. Find the arc length of the shaded region. The radius of each circle is 15 feet. b) 100 gtool offlo isdim jud 160 50 de comod 75. Find the area of the shaded portions of the circles in #74. a) b ) c) 76. Find the value of angle A. 120