VRAE oor vraestel 1: Meetm

$table row cell B with overbrace on top subscript 2 equals C with overbrace on top subscript 1 end cell blank blank cell angle to the power of e space end exponent teenoor space gelyke space sye comma space OB equals OC space is space radiusse end cell row cell therefore 50 degree equals C with overbrace on top subscript 1 end cell blank blank gegee row cell m a a r space B with overbrace on top subscript 1 plus C with overbrace on top subscript 1 plus O with overbrace on top subscript 1 equals 180 degree end cell blank blank cell binne angle to the power of e van increment end cell row cell 50 degree plus 50 degree plus O with overbrace on top subscript 1 equals 180 degree end cell blank blank cell gegee divided by bewys end cell row cell O with overbrace on top subscript 1 equals 80 degree end cell blank blank blank row cell A with overbrace on top equals 2 O with overbrace on top subscript 1 end cell blank blank cell Midpts angle equals 2 cross times omtreks angle end cell row cell a equals 2 open parentheses 80 degree close parentheses end cell blank blank cell gegee divided by bewys end cell row cell straight a equals 160 degree end cell blank blank blank row blank blank blank blank end table$