A right angle measures $180°$.

At $9 \text{'}O\text{'}$ clock in the morning.

At $6 \text{'}O\text{'}$ clock in the evening

Write the type of angle formed between the long hand and short hand of a clock at the given timings. (Take the small hand as the base)

 At $12$ noon

Write the type of angle formed between the long hand and short hand of a clock at the given timings. (Take the small hand as the base)

At $4 \text{'}O\text{'}$ clock in the afternoon

Write the type of angle formed between the long hand and short hand of a clock at the given timings. (Take the small hand as the base)

 At $8 \text{'}O\text{'}$ clock in the night.