The formula for the area of a trapezoid is A, equals, one half, h, left bracket, b 1, plus, b 2, right bracket, comma � = 1 2 ℎ ( � 1 + � 2 ) , A= 2 1 h(b 1 +b 2 ), where h ℎ h is the height and b 1 � 1 b 1 and b 2 � 2 b 2 are the two bases. Rewrite the formula to solve for b 1 � 1 b 1 in terms of A, comma � , A, h ℎ h and b 2, point � 2 . b 2 .