Solve the following -:
(1)Park of length 30 m and width 20 m.
(2)width of 1 m to plan a gallery for planting trees.
(3)Square flower bed of 5 m x 5 m in the center of the park and place a fountain at the center of this flower bed.
(4) 4 sitting slabs of measurement 3 m x 1 m.
(5)20 m x 15 m path of width 1.5 m for jogging.
(6)Grass in remaining area.
(7)Calculate the area of grass portion,jogging track,flower bed, plant gallery and sitting slabs.