You have to find the area of the four triangles which is the perimeter of the base and multiply. It by your height and your case you have to find out if it’s a slant height.
Answer:
48 people
Step-by-step explanation:
To find 20% of 60, you multiply 60 by .2 and get 12. Subtract 12 from 60, and 48 people were not wearing hats.
Answer:

Step-by-step explanation:
The distance between points
and
is

Hence, the distance between points
and
is
