The exterior angles of a polygon all add to 360, if you need to find an exterior angle when given the number of sides and that all angles are equal you simply do: 360/ number of sides.
When you need to find the exterior angle when given an interior angle, you do: 180- interior angle.
Hope this helps :)
It is given in the question that
Ms. Velez will use both x gray bricks and y red bricks to build a wall around her garden. Gray bricks cost $0.45 each and red bricks cost $0.58 each. She can spend up to $200 on her project, and wants the number of red bricks to be less than half the number of gray bricks.
Maximum she can spend is $200. That is

And

And that's the required inequalities .
Answer and Step-by-step explanation:
The area of a circle:

d = 2r
Plug in the values.
5.
A = 
A = 49
7.
58 = 2r
r = 29

A = 
#teamtrees #PAW (Plant And Water)