Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis
Given parameters:
Each interior angle = 150°
Unknown:
The number of sides of this regular polygon = ?
Solution:
To find the sum of internal angles of a regular polygon, we use the expression below;
(n - 2) x 180 = sum of internal angles of a polygon
n is the number of sides,
Also, the sum of the internal angles of a polygon = number of sides x internal angles;
So;
(n-2) x 180 = 150 x n
Solve for n;
180n - 360 = 150n
180n - 150n = 360
30n = 360
n = 12;
Therefore, the number of sides is 12
Answer:
Explanation:
Last year we had the most handsome of ducks -- a mallard. He was with us until the end of June at which time the water on our property dried up. I have a feeling his mate got tired of sitting on the nest all the time and demanded he help. They built their nest in a thicket that was impossible to get near. We knew about where it was, but it did us no good.
We did get to see the young ones once or twice. It is amazing how quickly they grow. By the end of September, they were all ready to go south -- even the young ones.
This year is very dry -- there's no water for them. So we have not seen the mallards or ducks of any kind and no geese either. We all miss them.
