Answer: pretty sure it's this
Step-by-step explanation:
First Answer is C
Second Answer is B
Answer:
12
Step-by-step explanation:
the proportion is 120/10=1200%
I'm sorry if this is wrong
Answer:
All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the angles, we know that the sum of all the angles is 1440 degrees (from above)... And there are ten angles... So, the measure of the angle of a regular decagon is 144 degrees.
Step-by-step explanation: