![In the figure below, M and N are the centres of two semi-circles having radii 9 cm and 16 cm - YouTube In the figure below, M and N are the centres of two semi-circles having radii 9 cm and 16 cm - YouTube](https://i.ytimg.com/vi/xVk1BOgm_bA/maxresdefault.jpg)
In the figure below, M and N are the centres of two semi-circles having radii 9 cm and 16 cm - YouTube
![A courtyard is 25m long and 16m broad is to be paved with bricks of dimensions 20cm and 10cm. What is the total number of bricks required? (a) 16000 (b) 18000 (c) A courtyard is 25m long and 16m broad is to be paved with bricks of dimensions 20cm and 10cm. What is the total number of bricks required? (a) 16000 (b) 18000 (c)](https://d10lpgp6xz60nq.cloudfront.net/ss/web/182277.jpg)
A courtyard is 25m long and 16m broad is to be paved with bricks of dimensions 20cm and 10cm. What is the total number of bricks required? (a) 16000 (b) 18000 (c)
![How many bricks of 20 cm by 10 cm will be needed to make the floor of a room 25 m long and 16 m wide? How many bricks of 20 cm by 10 cm will be needed to make the floor of a room 25 m long and 16 m wide?](https://www.vedantu.com/question-sets/ef865878-3f93-4f0d-91c6-a91ea529950b6018063898760389727.png)