Answer:
1 is the answer to 1/2+1/2
Answer:
48 is right!!
Step-by-step explanation:
the pattern is +10 +9 +8 +7 +6 +5 and so on
Answer:
240
Step-by-step explanation:
25% of 240 is 60
Answer:
10 sides.
Step-by-step explanation:
Two same interior angles + 72 degrees = 360.
Thus, the interior angle of the polygon is
.
The formula to find the interior angle of a polygon is 

Multiply both sides by n:


Expand:

Add 360 to both sides:


Subtract 144n from both sides:


Divide both sides by 36:

