90xb - 3600 b3600 90b = 40 mSo, breadth of rectangular park = 40 m.Example 6. A door of length 2 m and breadth 1 mis fitted in a wall. The length of the wall is 4.5 mand breadth is 3.6 m. Find the cost of whitewashing the wall, if the rate of white-washing thewall is Rs. 20 per mSolution. Area of door = (2x1) m

90xb - 3600 b3600 90b = 40 mSo, breadth of rectangular park = 40 m.E

1.	90xb - 3600 b3600 90b = 40 mSo, breadth of rectangular park = 40 m.Example 6. A door of length 2 m and breadth 1 mis fitted in a wall. The length of the wall is 4.5 mand breadth is 3.6 m. Find the cost of whitewashing the wall, if the rate of white-washing thewall is Rs. 20 per mSolution. Area of door = (2x1) m
Answer» An ATHLETE takes 15 rounds & a rectangular park, 30 m long and 20 m wide. The TOTAL DISTANCE COVERED by him is 1500km