19.AREA OF 4 WALLS


DECLARE FUNCTION AREA(L,B,H)
CLS
INPUT "ENTER LENGTH";L
INPUT "ENTER BREADTH";B
INPUT "ENTER HEIGHT";H
PRINT 'AREA OF FOUR WALLS";AREA (L,B,H)
END


FUNCTION AREA (L,B,H)
A= 2*H(L+B)
AREA=A
END FUNCTION