The space within a closed figure. hope this helps
Answer:
Cross-sectional study.
Step-by-step explanation:
- In a cross-sectional study, data are observed, measured, and collected at one point in time.
- In a prospective (or longitudinal) study, data are collected in the future from
groups sharing common factors.
- In a retrospective (or case-control) study, data are collected from the past by going
back in tirme (through exanmination of records, interviews, arıd so on).
Hope this Helps!!
Answer:
The answer is
<h2>

</h2>
Step-by-step explanation:
To convert an angle from degrees to radians multiply the value by
.
From the question the value is 40°
It's equivalent in radians is

We have the final answer as

Hope this helps you