DECA=10, so a decagon has 10 sides.
the sum of all interior angles, in degrees, in a polygon is
180( n - 2 )
where n="number of sides".
for a decagon that'd be 180( 10 - 2 ).
Answer:
A 29 is the answer to the problem
0.47460844803037 this is the answer
Answer:
Gerard's blue section is larger.
Step-by-step explanation:
Eve divided her half into 6 equal sections and painted one section blue.
So, the blue-painted part will be of size
part of the whole poster.
Again, Gerard divided her half into 5 equal sections and painted one section blue.
So, the blue-painted part will be of size
part of the whole poster.
Now, since 12 > 10, so, 
Therefore, Gerard's blue section is larger. (Answer)