Answer:
the answer is the option B

Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have


substitute the values

Based on the given coordinates, the continents that are located at the coordinates are:
- North America
- Asia
- South America
- Africa
<h3>What continents are mentioned?</h3>
The coordinates, 60°N, 100°W are for a location in Canada. Canada is a nation in the continent of North America.
The coordinates 60°N, 100°E is in Russia. Russia is both in Europe and Asia but the part of Russia where these coordinates point to is in the Asian side.
20°S, 60°W is a location in Paraguay which is in South America and 20°N, 20°E is a location in Chad which is in Africa.
Rest of the question:
1. 60°N, 100°W
2. 60°N, 100°E
3. 20°S, 60°W
4. 20°N, 20°E
Find out more on coordinates on a map at brainly.com/question/19295752
#SPJ1
-81=3(5-4r)
27=-(5-4r)
27=-5+4r
-4r=-5-27
-4r=-32
r=8
Hope my answer helped u :)
Answer:
30 degrees
Step-by-step explanation:
triangles have 180 degrees
right triangles have a right angle which is 90 degrees
180-90=90
90-60=30
Answer:
all work is shown and pictured