Follow-up 7.12 7.4 Basic Properties of a Cyclic Quadrilateral
{"Image DocumentName": "Follow-up Basic Properties of a Cyclic Quadrilateral", "Image ImageDescription": "A. Opposite Angles of a Cyclic Quadrilateral. Follow-up In the figure, ABCD is a cyclic quadrilateral. AB \uf03d CD, \uf0d0ADB \uf03d 46\uf0b0 and \uf0d0ABD \uf03d 32\uf0b0. Find \uf0d0CDB. Solution: \u2235 CD \uf03d AB. \u2234 \uf0d0CBD \uf03d \uf0d0ADB (equal chords, equal \uf0d0s) \uf03d 46\uf0b0 \uf0d0ABC \uf02b \uf0d0CDA \uf03d 180\uf0b0 (opp. \uf0d0s, cyclic quad.) (32\uf0b0 \uf02b 46\uf0b0) \uf02b (\uf0d0CDB \uf02b 46\uf0b0) \uf03d 180\uf0b0 \uf0d0CDB \uf03d 56\uf0b0", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}