60
30 *2
15 * 2 * 2
5 * 3 * 2 * 2
Step-by-step explanation:
x = the number
2x - 25 = x
2x = x + 25
x = 25
The answer to your question is 92
Answer:
144
Step-by-step explanation:
In a regular decagon like the one shown in the picture each angle is 144 degrees and it all adds up to 1,440. If you want proof search up "angle of a decagon"