LENA Abdullah Polygons, perimeter and area, solid geometry - 53p. col. ill. 28cm. - A Step-By-Step Maths Problem Solving Guide 1 . ISBN: 9789831980880 RM74.50 Subjects--Personal Names: LAI, Magdalene Subjects--Topical Terms: Mathematics--Problems, Exercises, Etc. Dewey Class. No.: 510.76