Question

How many seconds are there in $1°$.

• A. $60seconds$
• B. $90seconds$
• C. $360seconds$
• D. $3600seconds$

Answer 1

The correct option is D

$3600seconds$

We know, $1°=60\text{'}$and $1\text{'}=60\text{'}\text{'}$

then, $1°=60\text{'}=60\times 60\text{'}\text{'}=3600\text{'}\text{'}$